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HomeMy WebLinkAboutWPO201800078 Plan - VSMP 2020-11-09NOTES TAX MAP PARCEL AND OWNER INFO: PARCEL 08000-00-00-00900 HISTORIC HOTELS OF ALBEMARLE LLC 701 CLUB DRIVE KESWICK, VA 22947 PARCEL 08000-00-00-008ZO KESWICK CLUB LLC 701 CLUB DRIVE KESWICK, VA 22947 EXISTING ZONING: RA - RURAL AREAS SPECIAL USE PERMIT SP2018-001 APPROVED SDP-2018-016 MAGISTERIAL DISTRICT: RIVANNA EXISTING AREA: PARCEL 08000-00-00-008Z0 = 161.66 AC. EXISTING IMPERVIOUS AREA = 0.75 ACRES PROPOSED IMPERVIOUS AREA = 1.00 ACRES LIMITS OF DISTURBANCE = 2.66 ACRES SOURCE OF SURVEY, BOUNDARY, AND TOPOGRAPHY: TUCK MAPPING SOLUTION, INC. 4632 AERIAL WAY BIG STONE GAP, VA 24219 (276)-523-4669 PROJECT #: L17-10405 AIRBORNE SURVEY CONDUCTED: 7/31/2017 INFRAMAP CORP 10365 CEDAR LANE GLENN ALLEN, VA 23059 804-550-2937 PROJECT #: RV07317 TIMMONS GROUP 28 IMPERIAL DRIVE STAUNTON, VA 24401 540-885-0920 PROJECT #: 40241 DATUM: HORIZONTAL: NAD83 VIRGINIA STATE GRID SOUTH ZONE VERTICAL: NAVD88 REQUIRED YARDS (MINIMUM): FRONT: 25 FT SIDE: 25 FT PROPOSED USE: SPA 10,664 SF BUILDING HEIGHT: 28 FEET EXISTING PARKING: 69 SPACES PARKING REQUIRED: 10 EMPLOYEES X 1 SPACE/EMPLOYEE = 10 SPACES 8 TREATMENT ROOMS X 2 SPACES/TREATMENT ROOM = 16 SPACES TOTAL SPACES = 26 TOTAL PARKING PROVIDED: 38 SPACES LOADING SPACES PROVIDED: EASTERN SIDE OF THE SPA BUILDING. ADA PARKING SPACES PROVIDED: 2 SPACES WETLAND IMPACTS: NONE UTILITIES: PRIVATE DRAINAGE DISTRICT: CARROLL CREEK - RIVANNA RIVER THERE ARE CRITICAL SLOPES LOCATED ON THE EASTERN SIDE OF THE PROJECT AREA. THERE ARE NO CONSTRUCTION ACTIVITIES PROPOSED WITHIN THE 100-YR FLOODPLAIN. STORMWATER NUTRIENT CREDITS: A TOTAL OF 1.09 LBNR OF STORMWATER NUTRIENT CREDITS WERE PURCHASED AS PART OF THE ORIGINAL WPO PLAN (WPO 201800078 DATED 7-29-2019). PER THE PROPOSED WPO PLAN AMENDMENT THERE WILL BE A SURPLUS OF 0.13 LB/YR QUALITY CREDITS ASSOCIATED WITH THIS SITE AVAILABLE FOR FUTURE DEVELOPMENT ON THIS PROPERTY. SEE SHEET C6.0 FOR ADDITIONAL INFORMATION. 1/6/2020 WP0201800078 AMENDMENT PLAN SUMMARY (M.S.P.A / WPO AMENDMENT) THE WPO PLAN HAS BEEN REVISED TO REFLECT A NEW BUILDING FOOTPRINT AND CHANGE IN THE SITE LAYOUT. PERMEABLE PARKING SPACES HAVE BEEN REVISED ALONG WITH THE ALIGNMENT OF THE LOADING DOCK ACCESS. UPDATES TO THE FOLLOWING SHEETS HAVE BEEN MADE ACCORDINGLY: DEMOLITION PLAN, EROSION AND SEDIMENT CONTROL PLAN, GRADING PLAN, STORMWATER MANAGEMENT PLAN AND QUANTITY CALCULATIONS, STORMWATER PROFILES & LANDSCAPE PLAN SHEETS. THE REVISED SITE LAYOUT REQUIRES AN UPDATED MITIGATION PLAN WHICH WILL BE INCLUDED PRIOR TO FINAL APPROVAL OF THE WPO AMENDMENT. 3/31/2020 WP0201800078 AMENDMENT PLAN SUMMARY (M.S.P.A / WPO AMENDMENT) 10/26/2020 WP0201800078 AMENDMENT PLAN SUMMARY (M.S.P.A / WPO AMENDMENT THE WPO PLAN HAS BEEN REVISED TO REFLECT A REDUCED BUILDING FOOT PRINT, REDUCTION IN PROPOSED PARKING AND THE CHANGE IN PERMEABLE PAVEMENT WITHIN THE LOT EAST OF THE BUILDING. THE ACCESS DRIVE TO THE SOUTHERN END OF THE BUILDING HAS BEEN ELLIMINATED AND THE LOADING DOCK CONFIGURATION HAS BEEN MODIFIED. AN ADDITIONAL E&SC PHASE HAS BEEN ADDED TO THE PLAN SET. UPDATES TO THE FOLLOWING SHEETS HAVE BEEN MADE ACCORDINGLY: EROSION AND SEDIMENT CONTROL PLAN SHEETS, GRADING PLAN, STORMWATER MANAGEMENT PLAN AND QUANTITY CALCULATIONS, STORMATER PROFILES & LANDSCAPE SHEETS. THE UPDATED SITE LAYOUT DOES NOT REQUIRE ANY FURTHER MODIFICATIONS TO THE PREVIOUSLY APPROVED MITIGATION PLAN. 11/09/2020 WP0201800078 AMENDMENT PLAN SUMMARY ( M.S.P.A / WPO AMENDMENT) THE WPO PLAN HAS BEEN REVISED TO REFLECT COMMENTS RECEIVED ON 11/6/2020 KESWICK HALL SPA WPO PLAN AMENDMENT 2 WPO-201800078 COUNTY OF ALBEMARLE, VIRGINIA 11/09/2020 SITE LOCATION ELI i) © Keswick Hall FOX HILL ROYAL ACRES r3o I G H T S MAGRUDER r44 Keswick _ 744 FITZWOOD 0 FYI VICINITY MAP 111=20001 [El - DEVELOPER: HISTORIC HOTELS OF ALBEMARLE LLC 701 CLUB DRIVE KESWICK, VA 22947 CONTACT: JOHN TREVENEN TELEPHONE: 434-923-4300 ENGINEER OF RECORD: TIMMONS GROUP 608 PRESTON AVE. SUITE 200 CHARLOTTESVILLE, VA 22903 CONTACT: CRAIG KOTARSKI, P.E. TELEPHONE: (434) 327-1688 �or Aj in vraaltrtr COUNTY OF ALRF.MARLE Department of Community Development 401 McIntire Road, North Wing Charlottesville, Virginia 229024596 Phone(4341296-5832 Fax (434)972-4126 July 24, 2018 Williams Mullen C/O Valerie Long 321 E. Main Street, Suite 400 Charlottesville, Va 22902 RE: SP201800001 Keswick Hall and Golf Club Dear Ms. long, On July 11, 2018, the Board of Supervisorstook action on your special use permit request to Amend previously approved SP200800042 to relocate and expand the spa and fitness center, add a pool bar, expand the energy plant, add a new maintenance and laundry building, relocate the existing restaurant in a standalone building, and add a wing to the existing inn for 38 additional rooms (a total of 86 rooms). In addition, site changes to parking and circulation are proposed on Tax Map Parcels 080000000008Z0; 080000000060A0; 08000000000900 in the Rivanna District. The Special Use permit was approved by the Board's adoption of the attached resolution and conditions. Please be advised that although the Albemarle County Board of Supervisors took action on the project noted above, no uses on the property as approved above may lawfully begin until all applicable approvals have been received and conditions have been met. This includes: . compliance with conditions of the SPECIAL USE PERMIT; IN approval of and compliance with a SITE PLAN or a SITE PLAN AMENDMENT; and • approval of a ZONING COMPLIANCE. CLEARANCE. Before beginning uses as allowed by this special use permit or if you have questions regarding the above - noted action, please contact Rebecca Ragsdale at (434) 296-5832 ext. 3226. Sin Meg an Nedosmp, AICP Principal Planner Planning Division Sheet List Table Sheet Number Sheet Title CO.0 COVER C1.0 NOTES AND DETAILS C1.1 NOTES AND DETAILS C1.2 NOTES AND DETAILS C2.0 EXISTING CONDITIONS C2.1 DEMOLITION PLAN C3.0 EROSION & SEDIMENT CONTROL NOTES AND DETAILS C3.1 EROSION & SEDIMENT CONTROL PLAN - PHASE 1 C3.2 EROSION & SEDIMENT CONTROL PLAN - PHASE 2 C3.3 EROSION & SEDIMENT CONTROL PLAN - PHASE 3 C3.4 EROSION & SEDIMENT CONTROL PLAN - PHASE 4 C4.0 LAYOUT AND UTILITY PLAN C5.0 GRADING AND DRAINAGE PLAN C6.0 STORMWATER MANAGEMENT PLAN AND QUANTITY CALCULATIONS C6.1 PERMEABLE PAVEMENT DRAINAGE AREA MAP C6.2 STORMWATER DESIGN TABLES AND CALCULATIONS C6.3 STORMWATER SUMMARY PLAN C6.4 STORMWATER QUALITY CALCULATIONS C6.5 PERMEABLE PAVERS INSTALLATION AND MAINTENANCE C6.6 STORMWATER MANAGEMENT FACILITIES EASEMENT PLAN C7.1 PROFILES L1.10 MATERIALS ENLARGEMENT PLAN L3.30 MITIGATION PLANTING PLAN 4 TOTAL SHEETS = 23 SIGNATURE PANEL: DEPARTMENT OF COMMUNITY DEVELOPMENT. PLANNING & ZONING ENGINEERING INSPECTIONS ARCHITECTURAL REVIEW BOARD DEPARTMENT OF FIRE AND RESCUE ALBEMARLE COUNTY SERVICE AUTHORITY VIRGINIA DEPARTMENT OF TRANSPORTATION HEALTH DEPARTMENT RESOLUTION TO APPROVE SP 2018.01 KESWICK HALL AND GOLF CLUB WHEREAS, the Owner of Keswick Hall filed an application to amend a previously -approved special use permit (SP 200800042) for Tax Map Parcels 08000-00-00-008Z0, 08000-00-00-060A0, and 08000-00-00-00900 to relocate and expand the spa and fitness center, add a pool bar, expand the energy plant, add a new maintenance and laundry building, relocate the existing restaurant to a stand-alone building, and add a wing to the existing inn for 38 additional rooms, as well as make site changes to the parking and circulation, and the application is identified as Special Use Permit 2018-00001 Keswick Hall and Golf Club ("SP 2018-0 1"); and WHEREAS, on May 22, 2018, after a duty noticed public hearing, the Albemarle County Planning Commission recommended approval of SP 2018-01 with conditions recommended by staff, and recommended minor changes to the Conceptual Plan; and WHEREAS, subsequent to the Planning Commission meeting, the Applicant submitted an updated Conceptual Plan dated Jane 11, 2018 that partially addressed the Planning Commission's recommendation about changes to the Conceptual Plan, however, the updated Conceptual Plan contained additional changes that were not considered by the Planning Commission; and WHEREAS, on July 11, 2018, the Albemarle County Board of Supervisors held a duly noticed public hearing on SP 2018-0 1. NOW, THEREFORE, BE IT RESOLVED that, upon consideration of the foregoing, the staff report prepared for SP 2018-01 and all of its attachments, the information presented at the public hearing, and the factors relevant to a special use permit in Albemarle County Code § 18-33.8, the Albemarle County Board of Supervisors hereby approves SP 2018-0 1, subject to the conditions attached hereto, including Condition 41, which references the Conceptual Plan dated June 11, 2018 and the Narrative dated January l6, 2018, updated June 11, 2018. +•. 1, Claudette K. Borgersen, do hereby certify that the foregoing writing is a true, correct copy of a Resolution duly adopted by the Board of Supervisors of Albemarle County, Virginia, by a vote of Ave to sroo as recorded below, at a meeting held on July 11. 2018. / Clerk, Board of County Supety rs Aye Nay Mr. Dill Absent Mr. Gallaway Y Ms. Mallek Y Ms. McKeel _ Y Ms. Palmer _ Y Mr. Randolph APPROVAL DATE APPROVED by the Albemarle County Community Development Department Date 11/18/2020 File WP0201800078, Amendment #2 SP-2018-MOO Keswick HnB and Golf Club Conditions 1. Development and use shall be in accord with the conceptual plan titled "Keswick Hall & Gulf Club Special -Use Permit Plan" prepared by Hatt Howerton and dated June 11, 2019 (hereafter "Conceptual Plan"), and narrative titled "Keswick Hall and Golf Club Project Narrative" (hereafter "Narrative'), dated January 16, 2018, updated June 11, 2018, m determined by the Director of Planning and the Zoning Administrator. 2. Ile restaurant, tavern, and inn and accessory uses shall not consume water in excess of existing permitted capacity of the existing water system (76,000 gallons per day) and sewage system (60,000 gallons per day). if the central water or sewerage system must be expanded to meet existing or future demand for residential users, the applicant shall seek and obtain all necessary approvals for expanding the system from the Virginia Department of Health, the Virginia Department of Environmental Quality, and the Albemarle County Board of Supervisors. Any expansion of the central water or sewerage system to meet existing or future demand for residential uses shall be solely for the use of residential users. 3. The applicant shell seek and obtain all necessary approvals by the Virginia Department of Health and Albemarle County Fire Rescue Department for a water system improvement to support dedicated internal fire protection as described in the "Water and Wastewater Facilities Plan 2017 Update for Keswick Hall & Golf Club" prepared by Timmons Group dated December 1, 2017 and revised March 19, 2018 (hereinafter the "2017 Water/Wastewater Plan") before a building permit for the proposed improvements described in Phase IA of the 2017 Water/Wastewater Plan maybe issued. No certificates of occupancy for the improvements in Phase IA shall be issued prior to the completion of the aforementioned water system improvement. 4. The applicant shall seek and obtain all necessary approvals by the Albemarle County Board of Supervisors for a water system improvement to support expanded permitted capacity of the water distribution system as described in the 2017 Water/Wastewater Plan before any building permit for the proposed improvements described in Phase IA of the aforementioned plan may be issued. No certificates of occupancy for the improvements in Phase IA shall be issued prior to the approval of the Virginia Department of Health, the Virginia Department of Environmental Quality, Albemarle County Fire Rescue Department, and completion of the aforementioned water system improvement. S. No unplatted property shall be subdivided and no approved subdivision plat shall be recorded unless the applicant demonstrates to the satisfaction of the Planning Director and County Engineer that the existing central water system permitted and approved by the Virginia Department of Health, or as such permit is amended or such subsequent permit approved by the Virginia Department of Health, Division of Water Supply Engineering and the Board of Supervisors, is available and adequate to serve all of said lots, as well as all existing improvements, associated uses, and planed lots, without compromising on -site and adjacent off -site well water supplies. Nothing herein shall guarantee approval of such amendment or permit. In making this demonstration, the application shall use test procedures approved by the Virginia Department of Health and the County Engineer. 6. Except for any restaurant and spa on the property open to the general public, Keswick Hall and its associated facilities shall be used only by the guests of the inn and their invitees, and members of the Keswick Country Club and their invitees. 7. In the event that the use, structure or activity for which this special use permit is issued is not commenced on or before July 11, 2020, it shall be deemed abandoned and the permit terminated. The term "commenced" means "construction of any structure necessary to the use of the permit". 8. All parking aress established or expanded after July 11, 2019 shall comply with a minimum 25-foot setback. 9. Keswick Road shall be the primary access. y �J U CRAIG W. J. KOTARSKI Lic. No. 0402048507 Y~.�_II-0q-20 M E O (T O N v1 N C Q O E w � W Q) � Q LL � 3 L U 0 Q _J U a _J —� w a � o N (D W N �x O � Q � -0. a) (/) = N ko 2 Uto ~ cL. rn O N aa)) � i_ to a v W J C)H N 0 H Z Z z Z e7_\1: 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE N/A Vl Q z J H o J Q w = z 0 o 0 UW J U LU vJ W m J a `W' i JOB NO. 40241 SHEET NO. C0.0 F as 00 a 0, 0 CD aa) W Z m0 -2 2 0 g C mw E ° C to c d o O c X m C 3 Z N 0 a 2 `o aa) H m 0 a) L o n rn � c 0 to U N c axi o n a) 5 m c N 00 C a)0 E o c U in 0 � c a � m � m � 0 0C N N U C N y N C C 0 t—u o a.. N m L L GENERALNOTES GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL ALBEMARLE COUNTY FINAL PLAN GENERAL NOTES General Construction Notes 1 2. 3. 4. 5. 6. 7. 8. 9. Albemarle County Engineering Final Plan General Notes Page 1 of 4 Prior to any construction within any existing public right-of-way, including connection to any existing road, a permit shall be obtained from the Virginia Department of Transportation (VDOT). This plan as drawn may not accurately reflect the requirements of the permit. Where any discrepancies occur the requirements of the permit shall govern. All materials and construction methods shall conform to current specifications and standards of VDOT unless otherwise noted. Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be installed prior to any clearing, grading or other construction. All slopes and disturbed areas are to be fertilized, seeded and mulched. The maximum allowable slope is 2:1 (horizontalwertical). Where reasonably obtainable, lesser slopes of 3:1 or better are to be achieved. Paved, rip -rap or stabilization mat lined ditch may be required when in the opinion of the County Engineer, or designee, it is deemed necessary in order to stabilize a drainage channel. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices. Unless otherwise noted all concrete pipe shall be reinforced concrete pipe - Class III. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926). CONTRACTOR SHALL PROVIDE ALL INFORMATION REQUIRED FOR CONSTRUCTION RECORD DRAWINGS: �z�` COUNTY OF ALBEMARLE 8 � Department of Community Development � Construction Record Drawings (As -built) for VSMP The following is a list of information required on construction record drawings for stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the construction record drawing be prepared by someone other than the designer. Please do not provide design drawings as construction record drawings. A. A signed and dated professional seal of the preparing engineer or surveyor. B. The time and address of the firm and individual preparing the drawings on the title sheet. C. The constructed location of all items associated with each facility, and the inspection records to verify proper dimensions, materials and installation. The items include, but are not limited to the following: 1. Inspection Records and photographs for pipe trenches and bedding, including underdrains. 2. Video Pipe Inspection ection for anY pipes i s which are not accessible or viewable. 3. Updated Location with geo-coordinates of all facilities. 4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities. 5. Current physical and topographic survey for all earthen structures. Ponds should include a survey of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required for alterations from the design. 6. Plants, location and type. 7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s), inlet and outlet protection, alignment and invert elevations compared to design. 8. Computations: For significant deviations from design, provide sealed computations verifying that the as -built condition is equivalent or better than design. 9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical sections and linings. 10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage must be within platted easements. Provide copies of recorded documents. 11. Guardrail, fences or other safety provisions - Display the constructed location of all safety Provisions; fences, guardrail, including the type, length and applied end treatments, compared to design. 12. Material layers - biofilter media, stone layers, sand layers, keyways and cores must be verified as to material types and depths. Include inspection reports, boring or test pit reports and materials certifications. Biofrlter media must be an approved state mix. 13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable. 14. Compaction reports are required to verify fill compaction in dams. 15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning. 1. CONTRACTOR SHALL COORDINATE ALL REQUIREMENTS FOR AS BUILT DOCUMENTATION, AS REQUIRED BY THE LOCALITY. THIS INCLUDES, BUT IS NOT LIMITED TO, TESTING, INSTALLATION DOCUMENTATION, SURVEY, ETC. ALL REQUIREMENTS SHALL BE DISCUSSED WITH THE LOCALITY PRIOR TO BEGINNING CONSTRUCTION. 2. ALL MATERIALS AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION'S SPECIFICATIONS AND STANDARDS. 3. PRIOR TO ANY CONSTRUCTION, THE CONTRACTOR SHALL CONSULT THE ENGINEER AND VERIFY THE APPROVAL OF THE PLANS BY ALL FEDERAL, STATE AND LOCAL AGENCIES. 3. LAND USE PERMITS (LUP-A) MUST BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO BEGINNING ANY CONSTRUCTION WITHIN THE EXISTING STATE MAINTAINED RIGHT OF WAY (INCLUDING ACCESS). 4. VDOT IS TO RECEIVE WRITTEN NOTIFICATION 48 HOURS PRIOR TO COMMENCING WITH INITIAL CONSTRUCTION ACTIVITIES. 5. THE CONTRACTOR SHALL VERIFY THE ELEVATIONS OF ALL POINTS OF CONNECTION OR PROPOSED WORK TO EXISTING CURBS, SANITARY LINES, WATERLINES, ETC, PRIOR TO CONSTRUCTION. 6. UPON DISCOVERY OF SOILS THAT ARE UNSUITABLE FOR FOUNDATIONS, SUBGRADES, OR OTHER ROADWAY CONSTRUCTION PURPOSES, THE CONTRACTOR SHALL IMMEDIATELY CONTACT THE OWNER. THESE AREAS SHALL BE EXCAVATED BELOW PLAN GRADE AS DIRECTED BY THE OWNER'S REPRESENTATIVE, BACKFILLED WITH SUITABLE MATERIAL AND COMPACTED IN ACCORDANCE WITH SPECIFICATIONS. 7. ALL STORM SEWER DESIGN AND CONSTRUCTION TO BE IN ACCORDANCE WITH VDOT STANDARDS. 8. ALL STORM SEWER PIPE SHALL BE REINFORCED TONGUE AND GROVE CONCRETE PIPE IN ACCORDANCE WITH ASTM-C-76. PIPE WITHIN THE RIGHT OF WAY SHALL BE MINIMUM CLASS III OR GREATER IN ACCORDANCE WITH CURRENT VDOT STANDARDS AND SPECIFICATIONS. 9. IF PRE -CAST UNITS ARE TO BE USED, VDOT SHALL BE NOTIFIED AND THE MANUFACTURER SHALL SUBMIT DRAWING DETAILS FOR REVIEW. CERTIFICATION AND VDOT STAMP WILL BE REQUIRED ON ALL UNITS. 10. ALL CONCRETE SHALL BE A3-AE (AIR ENTRAINED 3,000 PSI), UNLESS OTHERWISE NOTED. 11. ALL ENTRANCES ARE TO BE DESIGNED AND CONSTRUCTED IN ACCORDANCE WITH CURRENT VDOT STANDARDS. 12. DESIGN CHANGES, SPECIFIED MATERIALS CHANGES AND/OR FIELD CHANGES FROM THE APPROVED PLANS NEED TO BE RESUBMITTED TO THE ENGINEER PRIOR TO PROCEEDING WITH THE WORK. A LETTER OF EXPLANATION SHALL ACCOMPANY THE REVISED PLANS AND/OR THE DRAINAGE CALCULATIONS, WHICH MUST BE SUBMITTED AND APPROVED BY THE ENGINEER. 13. CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON PLAN. IF THERE APPEARS TO BE A CONFLICT, AND/OR UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THIS PLAN, CALL MISS UTILITY OF CENTRAL VIRGINIA AT 1-800-552-7001. THE OWNER SHALL BE RESPONSIBLE FOR THE RELOCATION OF ANY UTILITY WITHIN EXISTING AND/OR PROPOSED RIGHT-OF-WAY REQUIRED BY THE DEVELOPMENT. 14. CASING SLEEVES SHALL BE PLACED AT ALL ROAD CROSSINGS FOR GAS, POWER, TELEPHONE AND CABLE TV SERVICE TRUNK LINES. (N/A) 15. THE INSTALLATION OF SEWER, WATER, AND GAS MAINS (INCLUDING SERVICE LATERALS AND SLEEVES) SHALL BE COMPLETED PRIOR TO THE PLACEMENT OF AGGREGATE BASE COURSE. 16. VDOT & ALBEMARLE COUNTY APPROVAL OF CONSTRUCTION PLANS DOES NOT PRECLUDE THE RIGHT TO REQUIRE ADDITIONAL FACILITIES AS DEEMED NECESSARY. 17. VDOT SHALL HAVE APPROVED THE AGGREGATE BASE COURSE(S) FOR DEPTH, TEMPLATE AND PERFORMED THE REQUIRED FIELD INSPECTION (PROOF ROLL) PRIOR TO PLACEMENT OF ANY SURFACE COURSE(S). CONTACT THE OWNER'S REPRESENTATIVE FOR INSPECTION FOR THE AGGREGATE BASE COURSE(S) 48 HOURS PRIOR TO APPLICATION OF THE SURFACE COURSE(S). 18. A PRIME COAT SEAL BETWEEN THE AGGREGATE BASE AND BITUMINOUS CONCRETE WILL BE REQUIRED AT THE RATE OF 0.30 GALLONS PER SQUARE YARD (REC-250 PRIME COAT) PER VDOT STANDARDS AND SPECIFICATIONS. 19. THE SCHEDULING OF AGGREGATE BASE INSTALLATION AND SUBSEQUENT PAVING ACTIVITIES SHALL ACCOMMODATE FORECAST WEATHER CONDITIONS PER SECTION 315 OF THE ROAD AND BRIDGE SPECIFICATIONS. 20. THE OWNER'S REPRESENTATIVE SHALL HAVE APPROVED THE AGGREGATE BASE COURSE(S) FOR DEPTH, TEMPLATE AND PERFORMED THE REQUIRED FIELD INSPECTION (PROOF ROLL) PRIOR TO PLACEMENT OF ANY SURFACE COURSE(S). CONTACT THE OWNER FOR INSPECTION FOR THE AGGREGATE BASE COURSE(S) 48 HOURS PRIOR TO APPLICATION OF THE SURFACE COURSE(S). 21. A GEOTECHNICAL ENGINEER IS TO ASCERTAIN CAUSE AND CERTIFY RECOMMENDED METHOD OF REPAIR FOR ALL PAVEMENT STRUCTURAL FAILURES PRIOR TO STATE ACCEPTANCE. (N/A) 22. ALL VEGETATION AND ORGANIC MATERIAL IS TO BE REMOVED FROM THE PROPOSED PAVEMENT LIMITS PRIOR TO CONDITIONING OF THE SUBGRADE. 23. CERTIFICATION AND SOURCE OF MATERIALS ARE TO BE SUBMITTED TO THE OWNER'S REPRESENTATIVE FOR ALL MATERIALS AND BE IN ACCORDANCE WITH THE ROAD AND BRIDGE SPECIFICATIONS, AND ROAD AND BRIDGE STANDARDS. 24. APPROVAL OF A DETAILED CONSTRUCTION SEQUENCING/MAINTENANCE OF TRAFFIC NARRATIVE FOR THE WORK ZONE IS A PREREQUISITE FOR ISSUANCE OF A LAND USE PERMIT ALLOWING ACCESS TO AND CONSTRUCTION WITHIN VDOT MAINTAINED RIGHT OF WAY. (N/A) 25. GRADE LINES ON PROFILES DENOTE FINISHED GRADE OF CENTER LINE OF ROAD. (N/A) 26. ALL APPROACH GUTTERS TO SAG INLETS SHALL MAINTAIN A MINIMUM SLOPE OF 0.004 ft./ft. 27. WHERE A TYPE "B" NOSE IS SPECIFIED ON AN INLET IN CONJUNCTION WITH ROLL FACE CURB AND GUTTER OR CG-7, THERE SHALL BE A 20' TRANSITION ON EACH SIDE OF THE INLET. (N/A) 28. CONTRACTOR SHALL PROVIDE A SEQUENCE OF CONSTRUCTION/MAINTENANCE OF TRAFFIC PLAN IN ACCORDANCE WITH THE STANDARDS AND GUIDELINES CONTAINED IN THE 2011 EDITION OF THE VIRGINIA WORK AREA PROTECTION MANUAL FOR REVIEW BY THE ENGINEER, OWNER'S REPRESENTATIVE, AND VDOT PRIOR TO STARTING WORK THAT IMPACTS TRAFFIC ON STATE ROADS. 29. ALL NEW HANDICAP ACCESSIBLE REQUIREMENTS ON -SITE AND WITHIN ALL NEW STRUCTURES SHALL COMPLY WITH THE 2006 UNIFORM STATEWIDE BUILDING CODE, 2006 VIRGINIA CONSTRUCTION CODE, AND ICC/ANSI All 17.1-03. 30. THE CLEAR ZONE IS TO BE FREE OF STORED MATERIALS AND PARKED EQUIPMENT. 31. HORIZONTAL AND VERTICAL SIGHT DISTANCES SHALL BE FREE OF PARKED VEHICLES. 32. ALL EXCAVATED AREAS WITHIN THE CLEAR ZONE THAT HAVE A DEPTH GREATER THAN 6" SHALL HAVE A 6:1 STONE WEDGE PLACED AT THE END OF THE DAY 33. VISIBILITY OF ALL MECHANICAL EQUIPMENT FROM THE ENTRANCE CORRIDOR SHALL BE ELIMINATED. ALBEMARLE COUNTY ENGINEERING GENERAL CONSTRUCTION NOTES 1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT OF WAY, INCLUDING CONNECTION TO ANY EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION (VDOT). THIS PLAN AS DRAWN MAY NOT ACCURATELY REFLECT THE REQUIREMENTS OF THE PERMIT. WHERE ANY DISCREPANCIES OCCUR THE REQUIREMENTS OF THE PERMIT SHALL GOVERN. 2. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS OF VDOT. 3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND MUST BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED. 5. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL:VERTICAL). WHERE REASONABLY OBTAINABLE, LESSER SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED. 6. PAVED, RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF THE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. 7. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES. 8. UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE - CLASS III. 9. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). 10. RETAINING WALLS GREATER THAN 3 FEET IN HEIGHT REQUIRE A SEPARATE BUILDING PERMIT. WALLS EXCEEDING 4 FEET IN HEIGHT REQUIRE A STAMPED ENGINEERED DESIGN ALSO. WALLS REQUIRE INSPECTIONS AS OUTLINED IN THE USBC. 11. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING DEPARTMENT. BLASTING NOTES 1. BLASTING SHALL NOT BE PERMITTED ON THIS PROJECT. ALBEMARLE COUNTY STORMWATER MANAGEMENT NOTES 1. ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% OF MAXIMUM DRY DENSITY AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL TO BE APPROVED BY A GEOTECHNICAL ENGINEER. A GEOTECHNICAL ENGINEER IS TO BE PRESENT DURING CONSTRUCTION OF DAMS. 2. PIPE AND RISER JOINTS ARE TO BE WATERTIGHT WITHIN STORMWATER MANAGEMENT FACILITIES. 3. FOR TEMPORARY SEDIMENT TRAPS OR BASINS WHICH ARE TO BE CONVERTED TO PERMANENT STORMWATER MANAGEMENT FACILITIES; CONVERSION IS NOT TO TAKE PLACE UNTIL THE SITE IS STABILIZED, AND PERMISSION HAS BEEN OBTAINED FROM THE COUNTY EROSION CONTROL INSPECTOR. 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7:OOAM TO 9:OOPM. 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND STRUCTURES/IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF, INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND 0-5% PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE: ALL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL EVENT. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES SHALL BE REPAIRED IMMEDIATELY. SILT TRAPS SHALL BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS SHALL BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH COLLECT SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WTIHIN 1 YEAR OF THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17-204G.) 22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17-207B) 23. NEW RETAINING WALLS 3 FEET AND HIGHER REQUIRE A SEPARATE BUILDING PERMIT. IF RETAINING WALLS ARE WITHIN MANAGED CRITICAL SLOPES, THE DESIGN MUST COMPLY WITH ALBEMARLE COUNTY CODE CHAPTER 18 SECTION 30.7.5. LEGEND ROADS SEWER TRAFFIC STOP BAR EXISTING SANITARY SEWER STORM PIPE & STRUCTURE NO. �® DROP INLET & STRUCTURE NO. S-SAN-0-0PROPOSED SANITARY SEWER CURB O PROPOSED SANITARY SEWER LABEL 0 CURB & GUTTER WATER DRY CURB & GUTTER - EXISTING WATER LINE PROPOSED PAVEMENT 60 W PROPOSED WATER LINE PAVED DITCH 8 60 W PROPOSED VALVE - JUTE MESH DITCH ITI- 6' W PROPOSED TAPPING SLEEVE CENTERLINE OF DITCH BENCH MARK PROPOSED FIRE HYDRANT (COMPLETE) CLEARING LIMITS GRADING T R-1 VDOT STANDARD STOP SIGN TC = TOP OF CURB BC = BACK OF CURB - - 200 - -- EXISTING CONTOUR EP = EDGE OF PAVEMENT 200 PROPOSED CONTOUR TW = TOP OF WALL BW = BOTTOM OF WALL + 240.5 EXISTING SPOT ELEVATION TS = TOP OF STAIRS BS = BOTTOM OF STAIRS TC 240.5 PROPOSED SPOT ELEVATION N/A = NOT APPLICABLE TO THIS PROJECT 1Q PARKING COUNT U CRAIG WJ, KOTAR4 I Lic. No. 0402048507 M E 0 o N � N � > E w a) E +- LU tj 3 LL o p ` w 0 W t M a�Uop w J -Ln C:) N Lu v Z� x 0 Ce w c V to U a) N = > in H c in rn NN � M a� CO J o w kDH Z 0 PME 00 � � V) V) Z Z W W 0 C] O a Q Q U O O CL wp z � \ O W W > W W Q Q Z Z C a cr cl� 00 ZZ DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE N/A Q Z I --I w J >r Q i Z r) 0z O Q U '-' w Q w ' ^ �J, W coO J w Qz JOB NO. 40241 SHEET NO C1.0 a) O to 3 0 0 O n n T C to O a) o N a) 6 c to L cC to to n c 0 s F. v d n �O v � O (7 dZ �Z mO 02 c � to w e o c2 c a) to N 08 O c K m O 3 Z N O m c� O. L a) a) o w O 0.m a)to c to Y 7 N U aa)) o a) N N m toU pcp c 0 E D c U n1 O6 � C 10 a U o d w •- N O l0 U toC Cto 8 C `o 0 to a) a) L N L NOTES: 1. SEE LANDSCAPE DRAWINGS, SHEET L2.00 & L2.10 FOR EXTERIOR STAIR AND HANDRAIL DETAILS. 2. SEE CIVIL PLAN SHEETS FOR RISER HEIGHT. EXTERIOR STAIRS No Scale FLUSH CURB (BROOM FINISH) 12" MAX. 4" 21 B STONE 4" PVC PERFORATED UNDERDRAIN RIVER STONE (12" DEPTH) GEOTEXTILE FABRIC DENOTES GRAVEL FILTER STRIP ON PLANS GRAVEL FILTER STRIP DETAIL No Scale 1.5" DIA. GALV. POWDER COAT (BLACK) LLNOTES: 1. PROVIDE SHOP DRAWINGS FOR HANDRAIL FOR REVIEW PRIOR TO CONSTRUCTIONS 2. RAIL ON BUILDING SIDE OF RAMP TO T-0" BE MOUNTED TO BUILDING FACE. 4" MAX SL P q5 SHOWN IN PL MAX. 1:12 eG dj 1: e CORE DRILL CONCR_. HANDRAIL POST, EMBED HANDRAIL A MINIMUM OF 6" BELOW FINISHED GRADE AND GROUT TO THE FULL DEPTH OF EMBEDMENT (TYP.) ADA RAMP AND HANDRAIL DETAIL No Scale 18' PARKING (REFER TO SHEETS C4.00 FOR LOCATION) UNDERDRAIN PIPE PERMEABLE PAVERS SECTION - LEVEL 1 No Scale 30" MIN COVER FROM FINAL GRADE FABRIC (TENAX MS220B OR TYPICAL (2) SCH. 40 PVC DUCT BANK SECTION DETAIL No Scale 1-1/2" PERMEABLE SETTING BED AGGREGATE 4" 21 B STONE 9.75" #57 STONE COMPACTED SUBGRADE SLOPE TO UNDERDRAIN REFER TO DOMINION POWER DESIGN STANDARDS FOR DUCTBANK AND PRE -CAST COMMS MANHOLE TYPICAL BACKFILL GENERIC COMMS DUCTBANK W/ (2) 4" SCH. 40 PVC CONDUITS SHOWN. CONIC. ENCASEMENT SHALL BE 3,000 PSI MIN, THREE INCH ENVELOPE OF CONIC. SURROUNDING. REFER TO DOMINION POWER DESIGN STANDARDS. (TYP.) REFER TO DOMINION POWER DESIGN STANDARDS FOR DUCTBANK AND COMMS MANHOLE TYPICAL BEDDING CONCRETE BUMPER BLOCK ANCHOR WITH 5/8" REBAR IMBEDDED 24" IN GROUND HANDICAP SIGN HANDICAP SIGN LOCATION (VAN) LOCATION (TYP.) 0 0 0 PAINTED PER 2% MAX. 18' 4„ VDOT SPEC. 8' 1 5' 8' 1 8' 1 8' 1— TYPICAL VAN F ACCESSIBLE ACCESSIBLE HANDICAP SPACES TYPICAL PARKING SPACE DETAILS No Scale BOLLARD DETAIL No Scale `EDGE OF PAVEMENT 4" PAINTED STRIPE (TYPICAL) { ' REGULAR SPACE 4" DIAMETER STEEL PIPE FILLED WITH CONCRETE. BOLLARD SHALL BE PAINTED YELLOW PAVEMENT 2'-0" DIAMETER CONIC. FOOTING 3,000 PSI @ 28 DAYS LTMOW BVALTY PmTY 11 - $500 FIE a -=500 FIE AWAY ZOhE TOW AWAY ZOPE TVAN 6' ABOVE ACCE881BLE 6' ABOVE FINISHED FINISHED GRADE GRADE SPACES SHALL BE IDENTIFIED BY ABOVE GRADE SIGNS AS RESERVED FOR PHYSICALLY DISABLED PERSONS. PROVIDE ONE (1) R-7-8 SIGN AT EACH PARKING SPACE INDICATED ON SITE PLAN. SIGN SHALL BE ALUMINUM (PAINTED WHITE) WITH GREEN LETTERS AND INTERNATIONAL WHEELCHAIR SYMBOL. SIGN SHALL BE PLACED ON STEEL POST 1-1/2" O PAINTED BLACK SET IN MIN. 2' OF CONCRETE. VA. SIGN FOR THE DISABLED ON 0.80 GAUGE ALUMINUM. COLORS: GREEN BORDER & LEGEND, BLUE SYMBOL FOR ACCESSIBILITY, WHITE BACKGROUND. PARKING SIGNS FOR THE DISABLED No Scale 2' FROM EP 7-1/2" I 6' LENGTH ANCHOR WITH 5/8' REBAR IMBEDDED 24" IN GROUND, 2 PER WHEEL STOP PRECAST CONCRETE WHEEL STOP No Scale PLAN R SPECIFICATIONS 3rx=xl' HT: 46.20 OL LEDSTRENGTH: 3Yf PSI 1: HOPENPCCVOLYMER R: BUCK URBANGREEN PLASM PAVER GRASS SURFACE CELLS RULED WITH FREE WINNING --G��RMW MEDIUM SAW. URSANGREEN PLASTIC PAVER PREPARED SUBBASE GEOGRID OR N'NLWOVEN GEOTEXTEE PREPARED SOBGRAOE SECTION GENERAL USE AND REFERENCE ONLY, AND IS NOT SITE SPECIFIC. ii•i•i•i•iiiii•i•i•i•s • • - • ' TOP OF CURB THE DEPTH OF CURB MAY BE A MINIMUM OF 13" AND A MAXIMUM OF 19" VDOT A-3 CONCRETE 1 4" MIN. CONTINUE STONE BASE FROM ADJACENT PAVEMENT SECTION UNDER CURB VDOT STANDARD CG-3 No Scale COMPACTED SUBGRADE CONCRETE SIDEWALK JOINT DETAIL No Scale CURB TRANSITION DETAIL No Scale TABLE 1: TYPICAL SUB -BASE (D) THICKNESS REQUIREMENTS W/ GEOGRID (D)SUB-WE APPLICATK)NILOAD ' CBR STRENGTH OF THICKNESS (IN.)(SEE GEOGRID SUBGRADE SOIL NOTE 3) (SEE NOTE I) 5 5 TS FIRETRUCKAND 46 7 TXS OCCASIONAL HEAVY VFHK:LE ACCESS 2i 11H3 IGO 1Q ISO, TOT B 5 IDA L 5 TX5 ACCESS AND $NLLWER LAR WIG TX7 PARTING 14 WIG TIC GENERAL WIFE I. FLDNTECH GEOGRID IS WITTED. THEN THE TOTAL 8UHEAGE LAYER THICKNESS MUST BE INCREASED BY A. IF SUBGRADE SOIB AREIMPERMEABLE AND NO GEOGRIDIS USED. ANONWOVENGEOTEME VURECYCLED CCNEM N RECOMMENDED AND SHOULD RAVE 3. AUGNWOR D"IMISREQUIRED EQIRE USE EO NC HDIAMETER PE IAEEPflERFOSROAUTPEEDD INCHI. PIPE ATMINIMUMGRADIENT T:IA,BE ON GRAVEL N THEN CHBKNLLEPWTPENWANGUDNCW"AWNGEOTFARICAGTOAWWSLE OUTFCECRBIMTIOAR. DRNNSPLACEDDWCENTEROfl EMEOFACLWROUTESUPTOIB.S".MDE.MER AREBMYREWWADDRbNEIX8AT18SF.-33FT.LENERS DNMGDNBYBPECFIERABEDONBECFICGOUND LB SE SHON 9TE. A SUBBASE BHOULD BEASANDY GRAVEL MATERIAL FROM LOCAL SOURCES C0lMAONLY USED TITHE PREPANATION OFAROAD BASE AND WAIMYAYS SlIBB45E GMVELAGGREWTE TO BE'/.NITER MINUS CRUSHED ROCK WITHW MORE THAN 3%PASSING THEMW NEVI MATERIAL SHOULD BE PEARLY NEUTRAL MPH. d. URBANGREEN PAVER, GEOGRID AND GEOTEXTLES BY CONDECH ENGINEERED SOLUTIONS 8DS92542 O NSTALLANON NOTES A THE CONTRACTOR SHALL COMMENCE THE WORK AFTER ENTIRE SUBGRADE HAS BEEN NNE GRADED AND COMPACTED TO SPECIFIED TOLERANCE B INSTALL SUBBASE COURSE MATERIAL OVER PREPARED SUBGRADE TO EIEVATICMS AND DEPTHS SHOJMON PUN NSTALLMATERNLN LIFTS THAT DO NOT EXOEEDd NICHES. COMPACTING EACH NFT TO0%MODFIED PROCTOR DENSITY. G USE CDNNECTCNS FRONDED TO MNNTAN PROPEq SPACINGIWO R)NTEgLOCHTNE PAVEgS D. PAVER PANELS TO BE INSTALLED WDH THE URGER CLOVER OPENING FACING DOMI. PAVER MATERIAL SHOULD BE COVERED IF EXPOSED TO SUN AMC OUTSIDE ELEMENTS FOR MORE THAN 3D DAYS E PAVERSCANBEWTUSINGAHANDORPOWERSAWTONTARWNDCBSTRUCTCNSANDCONDWRS PIECESWHMAIAREI£SSTHAN HALF THE ORIGNM SIZE SHOULD NOT BE USEM F. FILL PAVERS NITH THE SPECIFIED MID. NLL MATERIAL SHALL BE INSTALLED TO THE TOP OF THE PAVER AND NO HIGHER TIWN 1N4NCH ABOVE THE TOP OF THE PAVER ONCE THE FILL MATERIAL IS INSTALLED USE A LIGHT VIBRATING PLATE TO CONSOLIDATE THE PAVERS AND TO SETTLE THE ROOTZOW WILL G. CARRYOUTSOO PLACEMENT OR SEEDING, FERTLIZNG AND WATERING PROGRAM. AVERYLIGHTTCPDRESSNG MAY BEAPPUEDTO JUSTCOVERTHESEEDANDTOPRONDEADEWATEGERMWTDNC NlTI S. N MIS Pg RABLETOM.LOWTHEG.SSMFULLYESABLISHPRIORTOVMCLETRAFNG -2" R "R TYPE 21-B AGGREGATE BASE COURSE COMPACTED SUBGRADE CONTROL JOINT SPACED AT WIDTH OF WALK FEXPANSION JOINT AT MAX OF 100', WITH PREMOLDED EXPANSION FILLER CONIC. WALK 4" 21-B STONE 2" R 4" CONIC CURB AND GUTTER CLASS 3A, (Fe=3,000 PSI) CONCRETE 6„ j IRA—� / d e ° 13" j ° a °. a 4. ° ° 7„ / ° . Q 4 ° 4 r 4" MIN. 1�6" 1 6" CONTINUE 21 B STONE COMPACTED BASE FROM ADJACENT SUBGRADE PAVEMENT SECTION UNDER CURB VDOT STANDARD CG-6 CURB & GUTTER No Scale NON -SLIP BROOM FINISH VARIABLE WIDTH' MAX. CROSS SLOPE 2% °. n ... d a a d COMPACTED SUBGRADE 4" 3,000 PSI AIR -ENTRAINED CONCRETE 4" TYPE 21 B STONE COVER DENOTES CONCRETE SIDEWALK PAVEMENT ON PLANS NOTE: SIDEWALKS SHALL BE CONSTRUCTED IN ACCORDANCE WITH VDOT STANDARDS. CONCRETE SIDEWALK PAVEMENT SECTION No Scale EXPANSION JOINT WITH REMOLDED EXPANSION FILLER, "ZIP STRIP" OR EQUIV., SEAL WITH SILICONE SEALANT 1/4" SEALANT NON -SLIP BROOM FINISH WWF 6x6 W2.9xW2.9 2" ' 10" 3,000 PSI AIR ENTRAINED PORTLAND ° CEMENT CONCRETE 6" TYPE 21A STONE COVER COMPACTED SUBGRADE (CBR 11.2) DENOTES CONCRETE SERVICE AREA PAVEMENT ON PLANS HEAVY DUTY CONCRETE SECTION No Scale G CRAIG W J, KOTARSKI Lic. No. 0402048507 M E 0 0 U N � N � > E E W —_+- 0 0 ~ W N �' V) v aj3: U.oa oU. W :5 Lu R m m a_jva0o J —Ui Lf)V) W d > �O N ^I v Z W W Z W a�-N Z �O(=x O QQ oar" ww a Q Q (n S@ ry a U ¢ U) cL a C Ln W 0 N C) Z M 2 Z CO LooLu I) W W Q Q C a O �cn tn- D Cr ci� O O O ti ti = 0 W W O W S N N 0 O 1-1 O ti U) > DATE K D O } 111912020 DRAWN BY C. GAYNER • DESIGNED BY Is A. ALLISON • CHECKED BY C. KOTARSKI • • SCALE IL 0 SIGNAGE NOTES: 1. ALL SIGNING AND PAVEMENT MARKING SHALL BE IN ACCORDANCE WITH THE MOST CURRENT EDITION OF EACH OF THE FOLLOWING AND ANY REVISION THERE TO: A. MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES. HEAVY DUTY ASPHALT PAVEMENT SECTION B. THE VIRGINIA SUPPLEMENT TO THE MANUAL ON UNIFORM TRAFFIC J SECTION CONTROL DEVICES. No Scale C. THE VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND BRIDGE SPECIFICATIONS. D. THE 2000 INTERNATIONAL FIRE CODE. 2. SIGN LOCATIONS ARE APPROXIMATE AND ARE TO BE MODIFIED IN THE 2.0" BITUMINOUS CONCRETE SURFACE COURSE - SM-9.5A FIELD TO AVOID CONFLICT WITH UNDERGROUND UTILITIES OR OTHER CONSTRUCTIONS, AND TO COMPLY WITH STANDARDS REFERENCED IN 8" TYPE 21B AGGREGATE BASE COURSE NOTE 1 ABOVE. 3. ALL SIGNS AND PAVEMENT MARKINGS ARE TO BE FURNISHED AND \//\\//\\///\\/� COMPACTED SUBGRADE INSTALLED BY THE CONTRACTOR. ALL SIGNS TO BE FURNISHED AND INSTALLED WITH STANDARD U POST GALVANIZED BY THE CONTRACTOR. DENOTES LIGHT DUTY ASPHALT PAVEMENT ON PLANS SOLID WHITE LINE 24" STOP `�P' 12' LIGHT DUTY ASPHALT PAVEMENT SECTION STD. (VARIES) No Scale R1-1 F NOTE: STOP SIGNS TO BE 30" WITH STOP BAR DETAIL TOP OF CURBj�'�, HIGH INTENSITY SHEETING NO SCALE SURFACE.:::... SOLID WHITE LINE \��\�� BASE 12"/.A g' \/\/\ VDOT A-3 CONCRETE SUBBASES 2' 2' CONTINUE 21B STONE BASE (TYP.) (TYP.) FROM ADJACENT PAVEMENT SECTION UNDER CURB STRIPING AND SIGNAGE DETAIL FLUSH CURB No Scale No Scale -.0" ASPHALTIC CONCRETE SURFACE ;OURSE - SM-9.5A .0" INTERMEDIATE BASE COURSE - BM25.0 " TYPE 21-B AGGREGATE SUBBASE COURSE COMPACTED SUBGRADE DENOTES HEAVY DUTY ASPHALT PAVEMENT ON PLANS Q Z I --I � w J I --I >r Q i Z O Vz/ U ~� w Qc G Lu �O w co J ui Q z JOB NO. 40241 SHEET NO. C1.1 L NYLOPLAST DRAIN BASIN WITH STANDARD GRATE (1,2) INTEGRATED DUCTILE IRON FRAME 8 GRATE TO MATCH BASIN O.D. (3) VARIABLE INVERT HEIGHTS MANUFACTURER AVAILABLE (ACCORDING TO RECOMMENDATION PLANSRAIE OFF) (MIN. MANUFACTURING REO. SAME AR MIN. STRUM (4) VARIOUS TYPES OF INLET & OU LETADAPTERS AVAILABLE: 4'-N FOR CORRUGATED HDPE (ADS N-12MMCOR DUAL WALL, ADS)HANCOR SINGLE WALL), N-12 HP, PVC SEWER (EX: SDR 35), PVC DWV (EX: SCH 40). PVC C900/C905, CORRUGATED & RIBBED PVC WATERTIGHT JOINT (CORRUGATED HOPE SHOWN) 1r MIN WIDTH GUIDELINE 4- 8'MIN THICKNESSGUIDELINE (,7) 8 TRAFFIC LOADS: CONCRETE SLAB DIMENSIONS ARE FOR GUIDELINE PURPOSES ONLY. ACTUAL CONCRETE SLAB MUST BE DESIGNED TAKING INTO CONSIDERATION LOCAL SOIL CONDITIONS, TRAFFIC LOADING, & OTHER APPLICABLE DESIGN FACTORS. SEE DRAWING NO.7001.110-111 FOR NON TRAFFIC INSTALLATION. (3) VARIABLE SUMP DEPTH ACCORDING TO PLANS (6-MIN QN 8'- 2A', 1P MIN.ON 30' d°MIN ON R•-9d• BASED ON MANUFACTU INGREQ) I TMIN ON 3T TT THE BACKFILL MATERIAL SHALL BE CRUSHED STONE OR OTHER GRANULAR MATERIAL MEETING THE REQUIREMENTS OF CLASS 1, CLASS 11, OR CLASS 111 MATERIAL AS DEFINED IN ASTM D2321. BEDDING & BACKFILL FOR SURFACE DRAINAGE INLETS SHALL BE PLACED & COMPACTED UNIFORMLY IN ACCORDANCE WITH ASTM D2321. I - 8'-30' STANDARD GRATES SHALLBE DUCTILE IRON PERASTM ADS GRADE 70-50-05. 2 - 12'-30' FRAME$ SHALL BE DUCTILE IRON PER ASTM ASS GRADE 70,005. F & 10STANDARD GRATES FITDIRECTLY ONTO DRAIN BASINS WTH THE USE OF A PVC BODY TOP. SEE DRAWING NO.7001-110-045. 3 - DRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO RAN DETAILS. RISERS ARE NEEDED FOR BASINS OVER84"DUETOSHPPNG RESTRICTIONS. SEEDRAW'INGNO.7001.110055. THIS PINTOISCLOSES SUBJECT MATTER IN WHICH DRAWN BY EBC MATERIAL 3130WRONAAW 4- DRAINAGE CONNECTION STUB JOINT TIGHTNESS SHALL CONFORM TO NYLOPLAST HAS PROPRIETARY RIGHTS THE RECEIPT BUFOROGA30518 ASTM D3212 FOR CORRUGATED HDPE (ADS N-12AHANCOR DUAL WAIL), N-12 HP, &PVC SEWER (4'- 24'). OR POSSESSION OF THIS PRINT DOES NOT CONFER DATE 1-2}6 TRANSFER, OR LICENSE TH E USE OF THE DESIGN OR PHN(770)9U-2443 Nylo ast FAX (770) 932-2490 5- ADAPTERS CAN BE MOUNTED ON ANY ANGLE 0' TO 36V. MDETERMINE TECHNICAL INFORMATION SHOWN HEREIN REVISEDBY NMH PROJECT NOJNAME Vr••m.nYIo0I0M-us.a MINIMUM ANGLE BETWEEN ADAPTERS SEE DRAWING Na 7001410-011 REPRODUCTION OF THIS PRINT OR MY INFORMATION TRUE 8-12"-30'STANDARD GRATES SHALL MEET H-20 LOAD RATING. CONTAINED HEREIN, OR MANUFACTURE OF MY DATE 03.11-16 DRAIN BASIN WITH STANDARD GRATE 7-81810' STANDARD GRATES ARE RATED FOR LIGHT DUTY APPLICATIONS ARTICLE HEREFROM. FOR THE DISCLOSURE TO OTHERS QUICK SPEC INSTALLATION DETAIL ONLY; NO CONCRETE COLLAR NEEDED FOR LIGHT DUTY RATING. IS FORBIDDEN, EXCEPT BY SPECIFIC WRITTEN PERMISSION FROM NYLOPLAST. 4V4nMOWT DWGSME A SCALE LIB SHEET 1OF1 BAD NO. 7001-110.14/ REV H NYLOPLAST DRAIN BASIN WITH DOME GRATE (1, 2) INTEGRATED DUCTILE IRON GRATE TO MATCH BASIN O.D. MINIMUM PIPE BURIAL DEPTH PER PIPE MANUFACTURER (3) VARIABLE INVERT HEIGHTS RECOMMENDATION AVAILABLE (ACCORDING TO (MIN. MANUFACTURING PLANSITAKE OFF) REQ. SAME AS MIN. SUMP) (4) VARIOUS TYPES OF INLET&OUIIETADAPTERS AVAILABLE: 4'-N FOR CORRUGATED HOPE (ADS N-121HANCOR DUAL WALL, ADSHANCOR SINGLE WALL), N-12 HP, PVC SEWER (EX: SDR 35). PVC DWV (EX: SCH 40). PVC C9001C905, CORRUGATED & RIBBED FVC WATERTIGHT JOINT (CORRUGATED HOPE SHOWN) J I - 8'- 30" DOME GRATES SHALL BE DUCTILE IRON PER ASTM AM GRADE 705005. 2 - 8" & IT DOME CRATES FIT ONTO THE BRAIN BASINS NTH THE USE OF A PVC BODY TOP. SEE DRAWING NO.7001-110-045. 3 - BRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO PLAN DETAILS. RISERS ARE NEEDED FOR BASINS OVER W DUETOSHPPNG RESTRICTONB SUE)M INGNO.7001-110-065. 4 - DRAINAGE CONNECTION 8 RUB JOINT TIGHTN EBB SHALL CONFORM 70 ASTM DM12 FOR CORRUGATED HDPE (ADS N-12JHMCOR DUAL WA L), N-12 HP, & PVC SEWER (4"- 24'). 5 - ADAPTERS CAN BE MOUNTED ON ANY ANGLE 0- TO360`. TODETERAINE MINIMUM ANGLE BETWEEN ADAPTERS SEE DRAWING NO.7001-110012 S - 8'-30° DOME GRATES HAVE NO LOAD RATING. (5) ADAPTER ANGLESVARIAB.E 0`- 360'ACCORDING TO PLANS 24 8"MIN EMBEDMENT SPRING LINE O OF PIPE NO. 68 STONE - - REMAINING BACKFILL SHALL NOT CONTAIN ROCK MATERIAL LARGER THAN 5" IN ANY DIMENSION -INTIAL BACKFILL* (6" LIFTS) * THOROUGHLY COMPACTED BY HAND OR APPROVED MECHANICAL TAMPER -HAUNCHING -BEDDING 6" max 4" min -FOUNDATION (SHALL BE REQUIRED WHEN SOIL CONDITIONS ARE UNSTABLE HALL PIPE) NOTE 1.OPEN CUTS IN PAVED AREAS WITHIN EXISTING VDOT RIGHT-OF-WAY SHALL BE BACKFILLED ENTIRELY WITH NO. 21A STONE. 2. FOR DUCTILE IRON PIPE THE BOTTOM OF THE TRENCH SHALL BE SCRAPED AND COMPACTED, AND ALL STONES REMOVED OR A 4" BEDDING OF NO. 68 STONE SHALL BE PROVIDED' 3. WHERE ROCK IS ENCOUNTERED PIPE SHALL BE INSTALLED ON A MINIMUM 6" BEDDING OF NO. 68 STONE (3) VARIABLE SUMP DEPTH ACCORDING TO PLANS W R d �••J IT MIN. ON T - 29', 10- MIN. ON 30- 4'MINONB'-7A° BASED ONMANUFACTIIWNOREQ.) TYPICAL SECTION W MIN ON 30' (DIMENSIONS MAY VARY WITHAN MANUFACTURER'S DESIGN) THE BACKFILL MATERIAL SHALL BE CRUSHED STONE OR OTHER GRANULAR MATERIAL MEETING THE REQUIREMENTS OF CLASS I, 6' w CLASS I I, OR CLASS III MATERIAL AS DEFINED IN ASTM D2321. BEDDING & BACKFILL FOR SURFACE DRAINAGE INLETS SHALL BE PLACED & COMPACTED UNIFORMLY IN ACCORDANCE WITH ASTM D2321. NTBISGLOSES BUBJEGT NATTER IN WHIpI ST HAS PROPRIETARY RIGHTS. THE RECEIPT DRAWNBY EBG MATERIAL JTJUVLKUXAAYL BUFORD, GA 30518 ESSION OF THIS PINT DOES NOT CONFER R, OR LICENSE THE USE OF THE DESIGN OR DATE 03.2540 PHN(770) 9M.2443 Nylo last FM(770) 932.2490 SPECIFICATION AL INFORMATION SHOWN HEREIN �nYloOlest-usxom REFERENCE REVISEDBY NMH PROJECT NOJNAME TITLE ICTION OF THIS PRINT OR ANY INFORMATION ED HEREIN, OR MANUFACTURE OF ANY HEREFROM, FOR THE DISCLOSURE TO OTHERS DAIS 0111-18 DRAIN BASIN WITH DOME GRATE WICK SPEC INSTALLATION DETAIL WEN, EXCEPT FROM BY CWRITTEN ON ON AST. rmisxnausr DWOSME A SCALE 1:40 SHEET IOFI -97 DWG NO. 7001-110REV B SEE STANDARAD SL-1 FOR APPLICABILITY OF SAFETY SLABS. B STANDARD MH-1 NOTES FRAME & COVER TE TOP OF MASONRY IS TO BE LEFT SUHFFICIENTLY LOW TO PERMIT PROPER ADJUSTMENT OF COVER AND FRAME TO GRADE BY THE USE OF MORTAR OR BRICK AS DIRECTED BY THE ENGINEER. 2 _0" :.. 0 w o wx " o n 1� T =T ",,-FLAT SLAB TOP AS DETAILED o v� •. ON STANDARD T-MH-2 MAY B) .. SUBSTITUTED FOR TAPERED 1 o �a SECTION WHEN APPROVED BY 4 THE ENGINEER. ST'D. STA A/i' r\ �A 45• in- //.% =MMM� 1mmmm■ 4 a 44 HALF PLAN VIEW I MI ' DI-3A,311, 3C cwduSlnu _slur HALF SECTION A -A (WITH FRAME AND COVER REMOVED) BRICK CONCRETE NOTES 1. QUANTITIES SHOWN ARE FOR MANHOLE WITHOUT PIPES. THE AMOUNT DISPLACED BY PIPES MUST BE DEDUCTED TO TYPICAL SEWER PIPE INSTALLATION IN TRENCH NTS FIG. S-3 TD-34 GALVANIZED STEEL STEP Ll •' 1. W MINIMUM OF 3" EMBEDMENT Id�gbll�Dldt.`ll�� STANDARD STEP VIRGINIA DEPARTMENT OF TRANSPORTATION FOR DETAILS OF INLET FRAME & COVER (SEE FIG. S-1-D,E) SLOPED AREA STREET SURFACE OR NON -PAVED AREA l'-O" MAX RUBBER COATED STEEL STEPS CAST IN PLACE 3'-0„ MIN PRECAST REINFORCED CONCRETE SECTIONS 1- MIN "0" RING SEALS • 16" MAX MINIMUM ELEVATION DIFFERENCE ACROSS M.H. 5" 4'-0" 5_ FROM INLET TO OUTLET SHALL BE 0.20 FEET. DEPTH OF FLOW CONCRETE FILLETS VARIES CHANNEL TO BE 3/4 DIAMETER OF CONTRIBUTING -- -' - SEWER. a A. I °•a': 12' A FILLETED INVERT FOR A SMOOTH TRANSITION OF FLOW BETWEEN INLET &OUTLET PIPE SHALL BE PROVIDED. MIN. 6" BEDDING NOTE W/ NO. 68 STONE 1. BEDDING THICKNESS REQUIREMENT SHOWN IS MINIMUM AND SHALL BE SPECIFICALLY DETERMINED BY THE CONSULTANT FOR THE SOIL CONDITIONS. 2. THE CONSULTANT WILL DETERMINE WHETHER MANHOLES SHALL HAVE EXTENDED OR NON -EXTENDED BASES. 3. ALL JOINTS, LIFT HOLES, INLETS, OUTLETS TO BE SEALED & GROUTED INSIDE AND OUT. TYPICAL MANHOLE SECTION SHOWING BRANCH TIE-IN N.T.S FIG. S-1-A TD-25 IS-1 1� M4 GRADE 60, REINFORCING ROD ENCASED IN A CORROSION RESISTANT RUBBER OR OTHER MATERIAL APPROVED BY THE ENGINEER. (DIMENSION MAY VARY WITH MANUFACTURER'S DESIGN) ?TCORROSION RESISTANT MATERIAL *14 REINFORCING ROD CAL SECTION 8 L 45° 45° TT max 3000 PSI CONIC. BASE P d v •' LUG BENCH SLOPED TO FLOW a.h. o CHANNEL 1/4" 1' MIN a L e 2 1 BRANCH g 1 12 FOR ALL BENDS FOR TEE OR WYE FITTINGS 2" FLEXIBLE CONNECTION NOTE: WITH STAINLESS STEEL ALL CONNECTIONS TO BAND F EXISTING MANHOLES SHALL BE CORED AND A FLEXIBLE 'J J CONNECTION BOOT " oINSTALLED TYPICAL MANHOLE PLAN SHOWING BRANCH TIE - IN NTS FIG. S-I-B TD-27 WIDEN TRENCH' ACCOMMODATE ANCHOR IF REQUIRED. BEDDING AS REQUIRED SECTION 2-2 PIPE DEGREE BEND DIMENSIONS VOL. TEE AND PLUGS VOL. SIZE OF (FEET) CU.YD. (FEET) CU.YD. BEND L H T L H T 90 2.50 2.50 3.01 0.24 4" & 6" 45 22 1 /2 2.00 1.50 2.25 2.00 2.60 2.52 0.15 0.10 2.00 2.25 2.50 0.15 11 1 /4 1.50 2.00 2.50 0.10 90 3.66 3.16 3.21 0.48 8" 45 2.66 2.66 2.77 0.26 22 1 /2 1.66 2.16 2.69 0.13 3.16 2.91 2.66 0.32 11 1 /4 1.66 2.16 2.67 0.13 90 4.83 3.83 3.42 0.83 10" & 12 " 45 3.33 3.58 2.95 0.43 3.83 4.00 2.83 0.52 22 1 /2 2.33 2.58 2.86 0.24 11 1 /4 1.83 2.33 2.84 0.18 SHAPE TO ELEVATION 1. THRUST BLOCKS ARE REQUIRED WHENEVER THE PIPELINE : CHANGES DIRECTION, CHANGES LOF ARGESTMID-POINTOF SIZE, DEAD ENDS AND AT VALVES. PIPE. 2. USE 2500 P.S.I. CONCRETE. SHAPE TO 3. NO CONCRETE SHALL BE POURED ON ANY PART OF THE JOINT. CONTOUR I 4. THE CONSULTING ENGINEER SHALL BE RESPONSIBLE TO THE VERIFY THE TYPE & SIZE OF OF PIPE ALL THRUST BLOCKS. I I I CONCRETE THRUST BLOCKS I • No Scale SLOPE TO DRAIN TO INVERT NOTES: S WILL BE REQUIRED IN ALL STRUCTURES WITH A DEPTH OF /9 OF OUTLET PIPE 4'-0" OR GREATER UNLESS OTHERWISE NOTED ON THE PLANS. \ /'J SECTION A -A ALL STEPS SHALL PROTRUDE 41/2" FROM INSIDE FACE OF • .A STRUCTURE WALL. TRANSITION BETWEEN A MAXIMUM STEP SPACING TO BE 16" C-C. PIPE DIAMETERS WHEN METHOD OF TREATMENT IN DROP INLETS DIFFERENT SIZES OF STEPS SHI WITHSTAND A MINIMUM FORCE OF 300 POUNDS WHEN PIPES ARE ENCOUNTERED. EXTENDED 4/2" FROM THE FACE OF THE SUPPORT. STEPS ARE TO BE VERTICALLY ALIGNED AND UNIFORMALY SPACED FOR THE ENTIRE DEPTH OF ANY STRUCTURE. IN PRECAST UNITS STEPS MAY BE CAST IN PLACE, MORTARED INTO HOLES PROVIDED BY THE FABRICATOR, OR DRIVEN. NOTES: SHAPING OF MANHOLE AND INLET INVERTS IN ACCORDANCE WITH STEPS DIFFERING IN DIMENSIONS, CONFIGURATION, OR MATERIALS FROM THOSE SHOWN MAY ALSO BE USED PROVIDED THEY MEET THIS DRAWING IS TO APPLY TO THOSE STRUCTURES SPECIFIED ON PLANS OR WHERE INVERT OF PIPE IS ABOVE INVERT OF \ \ 1 SLOPE TO ORAN TO INVERT OF THE MINIMUM REQUIREMENTS SHOWN HEREON AND THE STRUCTURE. OUTLET PIPE CONTRACTOR HAS FURNISHED THE ENGINEER WITH DETAILS AND CERTIFIED TEST REPORTS OF THE PROPOSED SUBSTITUTE MIND HAS MANHOLE DROP INLET TO BE FORMED AND CONSTRUCTED RECEIVED WRITTEN APPROVAL FROM THE ENGINEER FOR THE USE IN ACCORDANCE WITH APPLICABLE STANDARD OR SPECIAL DRAWING. OF SUCH STEPS. THE INVERT SHAPING AS DETAILED HEREON IS TO CONSIST OF A / n v ALL STEPS INSTALLED SHALL BE PROVIDED WITH SLIP -RESISTANT PORTLANO CEMENT CONCRETE MIX CONFORMING TO CLASS A3 OR CLASS C1, EXCEPT THAT 25Y OF COARSE AGGREGATE MAY BE SURFACES SUCH AS BUT NOT LIMITED TO. CORRUGATED KNURLED, UP TO 4" IN DIAMETER AND CONSIST OF STONE, BROKEN BRICK, v • �% OR DIMPLED SURFACES. BROKEN CONCRETE OR BROKEN CONCRETE BLOCK. THE SURFACE I ' SHALL BE LEFT SMOOTH BY MEANS OF HAND TROWELLING. NONE I - •'•��:': ALUMINUM STEPS SHALL BE FABRICATED IN ACCORDANCE WITH OF THE COARSE AGGREGATE SHALL REMAIN EXPOSED. . •, ASTM B221, ALLOY 6005-T5. THAT PORTION OF THE STEP ENCASED IN MASONRY SHALL BE DETAILS OF INVERT SHAPING AS SHOWN HEREON ARE FOR EXAMPLE - - • • UNIFORMLY COATED WITH A BITUMINOUS, SOLVENT TYPE, ASBESTOS PURPOSES ONLY. EACH MANHOLE OR DROP INLET IS TO BE SHAPED - FILLED ALUMINUM PIGMENTED COATING CONFORMING TO FEDERAL INDIVIDUALLY TO BEST FIT THE PARTICULAR INLET AND OUTLET CONFIGURATION AND FLOW LINES. SPECIFICATION TC-C-00498A. SECTION B-B PLAN METHOD OF TREATMENT IN MANHOLES �VDOT �VDOT STANDARD METHOD OF SHAPING SPECIFICATION REFERENCE ROAD AND BRIDGE STANDARDS ROAD AND BRIDGE STANDARDS MANHOLE & INLET INVERTS REVISION DATE SHEET 1 OF 1 SHEET 1 OF 1 REVISION DATE 302 106.09 106.08 VIRGINIA DEPARTMENT OF TRANSPORTATION EXPANSION KEYED B-1, B-2 JOINT COAST. BARS sue- APPROACH JOINT GUTTER wo f BAR G WARPED �� GUTTER WEEP HOLE (MS REQ'D.) STEPS (AS REO'D.) WEEP HOLE (AS REO'D.) BAR 1 BARS B a O - �2 = _ - SUBBASE HARDWARE CLOTH ' . I , �^ oLLw '. e- _ O z w z !o AIRS F I SEE NOWEEP aE. w i I •'I _ 4 11 = a J i%i •• i.1 0 W •STEPS.'SE I STEPS I(/S REOT).) zW - �s ALTERNATE JOINT B„ NOTES B„ ,.....•.., •..'. �.' . •:.:•::.'::..•:. DETAIL Y 3'-0" SECTION A -A ■ D �,� x �,• ,� D J X 1 10' MIIIAX. /- KEYED COAST. JOINT Fg�j 6" x 6" - W5.5 x W5.5 WELDED WIRE FABRIC OR EQUIVALENT AREA 1 WARPED 2„ CUTTER MONOLITHIC 2„ i AIRS APPROACH A GUTTER a° °FOOTING y i" 0'�•. F D+8„+2X °p BARS E B-2 BARS F a" 1'-8" 5" BARS B DOGHOUSE WITH FOOTING NOTES: SECTION B-B 1. SEE GENERAL NOTES FOR ADDITIONAL INFORMATION ON WEEP HOLES, STEP REQUIREMENTS, H" (LIN. FT. FOR MANHOLES) DIMENSIONS, ETC. r'/,- 2. ALL BASE UNITS ARE TO BE IN ACCORDANCE WITH THE REQUIREMENTS OF AASHTO M199. L2%2'"X21/"%I/3. GPLVANIZi.D• CONCRETE SHALL BE 4000 PSI. TYPE B V2' X 4" STUD SHEAR CONNECTOR WELDED 4. WHERE OPENINGS ARE REQUIRED FOR PIPE, THEY SHALL BE FORMED. DRILLED. OR NEATLY CUT TO ANGLE IRON AT T C-C. AS APPROVED BY THE ENGINEER. THE CONTRACTOR SHALL FURNISH THE FABRICATOR WITH NOSE DETAILS ANGLES BETWEEN CENTER LINES, THE INVERT ELEVATIONS, AND THE SIZE OF ALL PIPES TO ENTER ENTER THE MANHOLE. HOLES ARE TO BE A MINIMUM OF 4" TO A MAXIMUM OF 8" LARGER THAN 2" THE OUTSIDE DIAMETER OF THE PROPOSED PIPE. APPR. PAVEMENT 5. DIMENSIONS SHOWN ARE MINIMUM ACTUAL DIMENSIONS MAY VARY WITH MANUFACTURER DIMENSIONS D X MINIMUM Y MINIMUM SUGGESTED MAX. PIPE SIZE ABSOLUTE MAXIMUM y(` CI 36" 411 61, 18" 21" 48" 5" 24" 27' 60" 5" S.. 36" 42" 72" 6" V. 48" 54" 84" 7" 8" 60" 66" 96" 8„ S„ 66" 72" L • WARPED PAVEMENT 6. "D" IS NOMINAL DIAMETER. 9IF DEPTH "H" OF 36" DIAMETER BASE UNIT RESTRICTED 7. IN THE EVENT THE INVERT OF THE OU7FALL PIPE IS HIGHER THAN THE BOTTOM OF THE STRUCTURE, TO 4'-0" MAXIMUM. 6. ALL CONCRETE TO BE CLASS A3. - - _ _ _ _ - - THE INVERT OF THE STRUCTURE SHALL BE SHAPED WITH CEMENT MORTAR TO PREVENT STANDING l OR PONDING OF WATER IN THE STRUCTURE. yt( ONE THROUGH PIPE ONLY. (ONE PIPE ENTERING AND x x = ONE PIPE EXITING STRUCTURE) 7. WHEN SPECIFIED ON PLANS THE F� �Ow FLQyy FLOW ' � ILL� I INVERT IS TO BE SHAPED IN I I •• B. TONGUE AND GROOVE JOINT ARE TO BE OF FABRICATOR'S DESIGN MEETING VDOT APPROVAL. ACE RDANCECOST WITH STANDARD ISPLACING I JOINTS ARE TO BE SEALED WITH MORTAR. O-RING GASKETS. OR BUTYL RUBBER. ALL MATERIALS INCIDENTAL TO THE SHAPING IS TO BE INCLUDED IN THE BID FOR USE ON GRADES PRICE FOR THE STRUCTURE. FOR USE IN SAGS BOTH SIDES TO BE SYMMETRICAL IFICATION STANDARD CURB DROP INLET ERENCE MANHOLE FOR 12" - 48" PIPE CULVERTS ROAD PAID BRIDGE ROAD AND BRIDGE STANDARDS 302 VIRGINIA DEPARTMENT OF TRANSPORTATION REVISION DATE SHEET 1 OF 5 SHEET I OF 2 1 REVISION DATE 12" - 30" PIPE: MAXIMUM DEPTH (H) - 8' 106.01 104.09 DB/10 VIRGINIA DEPARTMENT OF TRANSPORTATION DIAMETER -4'-8"+(2 x WALL THICKNESS) _10 SECTION B-B BRICK CONCRETE OR CONCRETE BLOCK TABLE OF QUANTITIES DEPTH BRICK MANHOLE CONCRETE MANHOLE BRICK CONCRETE CONCRETE FEET THOUSANDS CU. YARDS CU. YARDS 4 0.5 0.785 1.437 5 0.7 0.785 1.699 6 0.9 0.785 1.961 7 1.0 0.785 2.223 8 1.2 0.785 2.485 9 1.4 0.785 2.747 10 1.6 0.755 3.009 11 1.9 0.970 3.455 12 2.2 0.970 3.817 13 2.5 0.970 4.179 14 2.8 0.970 4.541 15 3.1 0.970 4.903 16 3.4 0.970 .265 17 4.0 1.173 1 6.032 INCREMENT OAF_ 0.582 OBTAIN TRUE QUANTITIES. -�1--F�- L' 2. A BASE THICKNESS OF 9" WAS USED IN (L COMPUTING CONCRETE QUANTITIES. TYPE A NOSE DETAIL SHALL BE USED WITH CG-3 & CG-7 STANDARDS. 3.INCREMENTS TO BE ADDED FOR EACH TYPE B NOSE DETAIL SHALL BE USED WITH CG-2 & CG-6 STANDARDS. ADDITIONAL FOOT OF DEPTH. GALVANIZED PLATE FOR TYPE A TO BE BENT ON AN ANGLE OF 68. 30' 4. MATERIALS MAY BE BRICK, CONCRETE OR APPROVED CONCRETE MANHOLE BLOCK. CONNECTORS AND IS TO BE ANCHORED WITH %Z' % 4" STUD SHEAR WELDED TO BENT PLATE AT 2'C-C. 5. IF BLOCKS ARE USED THE MINIMUM DI-3AL DI-3D L DI-3C THICKNESS OF SAME IS TO BE 5". OTHER THICKNESSES ARE TO CONFORM TO WALL THICKNESS SHOWN FOR CONCRETE. DETAIL WHEN USED ADJACENT TO CURB WITHOUT GUTTER SPECIFICATION XVDOT REFERENCE ROAD AND BRIDGE STANDARDS 233 SHEET 1 OF 1 REVISION DATE 302 03.11 STANDARD PRECAST BASE UNITS VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATION REFERENCE PLACE V GALVANIZED " WITNESS " POST WITH CAPPED ENDS PAINTED BLUE IN REMOTE AREAS c AS DIRECTED. MARKER LOCATION MAY BE SUBJECT TO HIGHWAY DEPARTMENT APPROVAL. FINISHED GRADE ADJUSTABLE VALVE BOX W/ LID M.J. GATE VALVE WATER A U h I I rl 0 h. LINE 2500 P.S.I. CONCRETE S4 2'x Z BEARING AREA THRUST BLOCK 4 a. d Q d d a b NOTE: IN REMOTE AREAS, VALVE BOXES SHALL EXTEND SIX (6) INCHES ABOVE GRADE. GATE VALVE NO Scale EXIST GRAD METAL INSPECTION FRAME WISOLID LID (NEENAH R-1975 OR EQUIVALENT) 3" CONCRETE COLLAR RUSHED STONE BEDDING 6" DI CLEANOUT PLUG AT E OF LINE 12 I ICLEANOUT DETAIL No Scale U CRAYG W 7. KOTARSKI Lic. No. 0402048507 M E 0 rn C) N � N � > ;_ LLI °' O O ~ W N 3:U) v a, U. 0 3 ti ff LI.L. W oof In m d j V DO J -� V) W 7 d N ^) -It Z W Z W Z_ W aQU V Z �O(�x O 00 oa=w 1 ii U) S c ry 1Y Q Q 1 U ¢ cL a . 0 DO M w 4O N 0 � t 2 Z H "-I z z Lu W W Q � 4Q CL 4 CL a O _ U) In LD Elf cl� O OO Cef w O N w O w �, N N O O ~ ti u DATE 0 111912020 DRAWN BY C. GAYNER • DESIGNED BY • A. ALLISON • CHECKED BY C. KOTARSKI • • SCALE • • • L H JOB NO. 40241 SHEET NO. C1.2 �• v ��✓. vr.. v wry, P ".` \ /f MPF �.... �...� .'\ \ G \ TO BUILDING \ \ / �y _ _ - - _ / - - \ I l 2 .. Gj. / - \ I \ 5 \/ _ 44 : / r ad ' / CONC. DUCT BANKr5/ -BU'4BiNGCO \ --\O I &C6FORDETAILS(SEE SHEETS C4.4, C4.\ \_ \ � .;�-/IIpp�RRCKWAUCATV�/ ) UILDING -\�\ � ... - I•' • IIIIIII � t �/ .. .1..1...•.". / / \ SLOP�S(TY/�.J 45 / \APPI�OX LOCATION \ / ' 7 \ `A \ ` - o�G f � I \ \ •" ;i'..1: � / / / // / / / , — —=f "`—, a G _� ° REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND F °• ; ; '' 5+�/EPCO EASEMENT _ \ \ J \ - / DB. 884, PG. 607 n /... . w SITE IMPROVEMENTS SDP-2018-016 WP0201800020 & IRR 'lRR '•.' 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(BY OTHERS j \ / / - - , OO h k k + \ } k FENCE } + + \\r SEE NOTE #1 �QQ AA C` - _ _ _ - - - - _ 3ti OWNERSHIP TO FENCE Zp-v k / _ _ _ \ \ \ k + k { / \ \ 4, k Ar �\ ..: X x \ \� f r'�^ _ / /� k / WOOD GAZEBO / \ k k REMOVE �0 / f/rk }/@@e / -_---_ \\ \ V DFCk15U� o /k} kh k\j // \ 3 3 \ 1 1 ro 0 _ - - - -- \ \ LANDSCAPE BED 0 / k k \ / - �,,N _ \ k k \ c\ k } + k - _ _ Cb / "WH/TFa`t�fK - \ >2"iJ CID US I k '\ - - - - - -���Q��\ � P -431 /kk I k \+ k � k k k k li \ \ b� - \ ASPFTALTTO� 0 / `\ 4' \k k k\} k k } h + + } k i\ \ ` SAw RAfE \ M `r lil�l- '---- - - - - -- \ \ I I [� kk REMOVE \ k\fir k } i2 ATE} R0�2�YOtI +\ - !� - 1W- _ REMAINv \ + k-43fi.92 \ /l _ 12" WHITE OiilC 1 Z _ I OWNERSHIP TB } k / /FENCE/ 0 — \\ / / }kl+k k {. k lNVlN=4�7.02 \\--------'--- ``-_---- - \ I k / 8„ SP \ \ ( k k k k G k k N©G k k 'I' \. . .Ss - - \ WPPaBUFFFR I \ -43� REMOTE (9) RAISED k k / / \ kl k k q E } h �\ . - INV OUT=)�6.74 \ — — �6" WOOD PLANTERS ,F + / �/ / \ / { / k k + k k + \ \ \ / _ _ \ \ k k 1 h /k + k k /\ \ \ _ ASPHALT } k + r RE OVE PORTION OF + k } k k + k k k } k k k k + k k\ B \ BANDLESTO/^//E l / \ \ _ _ _ _ _ - _ - \ k / / M -� 1/ / L k 'I. } k k k k h + '} k h k k 'I.-_-- \ ,} k / k \} k I,I. k k + k 'I' k k k k .0 cn \ - _ _ - 15" �_ ___- ky/ / Sf�NITARYSE RPIPE Sod /d � k k k h "� k k k k h o 1 \ � \k \ \ _ _______ -W4iLT�Al1 � \ \ \ _ h \ - k + '/ / / k }{\t + k 'fI k k k k a' k k } REVOVh k + � - _ _ - \ \ 'i) \ \ - • - - - - - - - - ' _ -429 - + kkk� h� k / ' 4'W000 FENCE / 1 k C.VD✓k/Ui kk k}} kk k 'I"k kk h k •I.k ROC`E kk k \ \ \ \\ \ \` - \ \ / 1 - - \ k k / ti} k / / 6" ED U U k �' k k \ \ I \\ - - _ k k k k k /— k k 1 + k a. } k + 'I" k k k k \k / / 18" DCI U k �' } k k k k k k 17 C\ } k k X 'I' } k k \ \ \ \ - v / ^ \ \ \ \ \ \ - ; - - •� k k kk k k'I' k\ `/ /—,y/ / / \ h k/ k ,r k k k 1 k k'r k k + k k k kk } \� } k k'I' k k't k k k�k \ \ \ \ \ \ \ \ \ \ \ \ \ - I _ - _ _ ` \ \ �• \ `\ `\ \ \ \ ---��k \ - - / k yk k / gC OVE // / // ./.. ...I k k k kk 'I' k I k k k k+'I' k k k k k ,I. + } k + k} k �•.. \\ \ \ \\ \.. - �_ - _ -_- _ -- - - - \ 30"WHITEOAlX� \� \ \ - - - / \\ \k '} k k k F k J \ I.•... .I. I k k k 't `fr k } 't k k } k k k } k k a' l \ ^ ` b \ \ \ \ \ \ - - _ - - _ - _ --c _ - _ _ - - - -\ \ \ - k } 1 "` a•` k /GRAVEL ROAD 5,. EC \ / .I h + * } \} k + k x k } + k k�i \ -- -- -\\ kG k / \ k k \ + \ k k )\ \ \ /R \ + k h / / \\. k kk k }k \ kk k kk \\v \l J \' \/ \ R/Gq \k� k \\ kk + / / / \ \ J \..4 ECD k k kk } k k kh k k ,I, } + k k k } kk i ) G 30" IN TE A ,} t k k + \ \ _ !1/ \ k \ k / / \ "OCC160008 �' + + k k k O - ' 4"DECIDUOUS \ _A \ h y REMOVE k k } + k k - i\ .\ \ \ \ \ . - _ _ _ �� } + 'I• k /k k } k/ / FENCE / 1 APE \ �- k + k + } + + �h k k k \� k 'I. } + k + ,) \ HITE OAK\ •t-I, + l i i��\/ -\ k k k �. •} } k k },�k 'r k } k k +k k�k+ k'/ �\\1' r // \\ kk kk kk+ kkGi�Aet,�a'\kk k+ }kk kk--- \ h k } k k k _ I k k k k°RN k h + } k h k k TOTAL LIMITS OF wHAIE 0A� \ - - SANITARY MH + / % / % \ / I _ _ •\ k k k k k + k + k\ k k k k k y'/ / ' ' / I / / _ - \ n \ 4" E Ous+ + + k W h k + DISTURBANCE = 2.66 AC •` \� \ \ - REMOVE k/� / / / \ // 18' W T OA / \ + 'I' k k k k k k k k 'Y\ \ } k k + '} k } k k \I.WH{T�AK_ TOP�,427.29 MANHOLE / / /, // / // / k k k + } + k k k k / /k % / /III// / / / / ' 15" E \ ` ( k k k } k k k } k } k k \ �,} k k k k a. k } k \ \ lNV IN (N)=4�7 9� I � / - I / / \ h k k k k k h + \ \ )NV IN (W)=418.52 _ - - / /r j / I // / / . \ I k a' qd �•� k k k k k k k } k k \ I I • \ \ _ iI / r , / 6" PL F� � + k k k �i VL�L KK/N(ik 'I' k kk'\�k a' k k } 'I' — \ \ 6" WHITE OAK ` \ • \ lNJ(OUT=417.77 - - I I Ix I // / / / '�f.. ..'.I I I k k k } h k .�L \ k k k k / \ �'OA ` I I - - / / / \ .1.'.I Mk4PL'L= k k k k } k + k k k + k �i x• = } k + k k k } \\ \ \ �► \ \ \ �435� k k 14" WHITE O'� / k k + k + to \\\\I { _\,� //// / \ .'.'\' II xk } hk +k k �kk '}k�\Lk \ 24"WHITE OAK I \ � � `� . \ I — \ \ \ \ �\ // / I I G � � 1 p E + k k k k + k } h\k k \ \ \ \ \ \ \ / 4" H E A 0" lfl l UD I II k k } k k h k } } k k k k + \ + k } + \ \ 8" WHITE OAZC 12" WAYT OAK \ \ \ \ \ // / / T T T \\ k } k k k k } k k k h k } } k \ \ III \ € 14" WHITE OAK \ \ \ \ / / ,I. k \ 1 \ m I Q3 \ \ \ \ \ \ ` \ \ \ _ ✓ / / / / / , - \ \ . 1 1 1 1 1 �, } k } k + k k k k , k k a k k k k %, k k } k •R\ F \ \ \ \ 24"WHITE OAK \ \ \ \ EOAK \ \\\ _ _ _ y / / / / 2 "DE 11 11 e) k k \+ k + k k } + k + k \ k k k k \ - \ h `}\tI' k 'I' } + k •t k k k + !} } k k k \ 6 IDUOUS / \ \ \ \ \ \ \ \•�. \ I _ _ / / 6" HI iK Rl lC L T E \ \ k k }' + k } k + k �' k k } k k }'��p.r\�� } k R\. 't •} k \ \ \ \ \ \ \ 14"WH/TE9AILC \ \ \ . - - / / / L ( Y .) 1 \ \ \ 20 /l7l{pU,S� k \+ k k k k k k k + + q V k k k k cPl \ -41g - \ \ \ / / \ I k k ,II k h + k k k k k k} k k} N \ 24"WHLTE OAK /\ \ l4"`WkIITE OAK ` \ \ �. / \ - \ \ k k k k k } k h + k A\ } \. 'Qq\- 2 / 1 kk k 1 h} kk } kk k+ \k k} kk •t +k �O i0 \ \ - -41 \ \ \ \ \. 9 - \ + k k k k k h k k \ 27"WHITE OAK 14�'PJNE 8- \ /\\\ \ - r 0„ - I I k h k + A"yi.kWlr7Fl-1 k I\/\c\\\ \ \ / / I 12 l 1 \ k } k k kDffAJNfGIE AsEQAEIVT k k k k k + k } k 4" l UOU541/ \ \ \ _ `\ \ ` \ •.-�\ / / / / / / I / I I 1 \20 DI I O S +k1kk}k kkk6650ki }38,kPC`i`.66k if1 k k k+\ kkkkkk}kk}k 3'k I I I ,k k'I" k k k k k k k k} r \/ 16"PINE \ \I \ I 1 I_. _ / I I \ \ \+ k k k k k k } k k k + k k } } h k k . Y \ \ \ \ \ \ a96,WHIT€'91IC \ \ II,1 1 1 I • / i' ' DE ID O I / 1 1 " E E lb OU I C k } + k + } k} k k 2�; Wl9l kOKh k�• • �l \ " &RE. OAK < + } 6 PINE j'# / - \ 12"DEC/DUOUS + / / y �L �L dr - - \ ♦ \ _ - - \ - - - LE \ \\ \ \\\ \ \ l / / io / / ♦ I \ \■ \ \ /+ k k / — / Z WHITE OAK 1 \ \ WETLANDS - - _ \ \ \ \\ \ \ / / / r _ / - - - / \ r - \ ■ / k k } \ / / �. i l / 10"DEClDUI7US �/ / / 1 / t\/ // \ \ \ \ ■ 8"M PLE k 15"WHITE OA \ \ / / WPO BUFFER i 30"WHITE OAK d1/ K / \ I ; ) I ,� k + \ . ' - - 6"MAPLE \ l I MAPLE k aI \ _ �"YYHLTE OAK \ \ -. \ � � % I I I \ I ■I \ ) I+ k k k I - \ \ I \ \ I ■\ ) ( } k \ 15"WHITE OAK 413' - _ fa"D€CIDUOUS/ \ / _ 24" ITE OAK /' I / I \ / \ I k + k� - \ WHITE OAK I / \ / I \ \ \ I+ k J/ .L \� .412--\ \ / \ \ /'\ J 18" T O \ 10"DEC -1 II I /� -' \ \\ \ \�+kk}I \\ \\ ljQ' DECIDUO S \ \ / _ / 1 \ \ \ k \ `L `1' \\ �L \ \' \ \ \ 'Aq EXTENT OF\ I I 1 ✓ / 12'DECIDUOUS ,N v \ \\ kk\ \ }� 28_' WHITE OAK {- _ i DECI C70U,SN, A -- Ilk 50' WPO / "T" BAMBOO - I 1 / '- \ I k \ \ \\ \ y �y /\y\ t y_ �b -\ y \�/\ \ BUFFL3RI / \ — — \ \ '--- \ �p6 \ }s ,�'\\ 8" EQIDU Usk x . 26"WHIRFOAIK \ 4, �L 1L \ \ \ \ \ E O� K \ 12" WHITE OAK k SE3 \ .k • \ \2"DEC{IDUOUS \ \ \- \ \ R�N]OVE (2) / APPROX. LOCATION 15' VEPCO EASEMENT DB. 884, PG. 607 \ NOTES: 1. ALL DEMOLITION WORK ASSOCIATED WITH THE KESWICK ESTATES GATE , IMPROVEMENTS TO BE HANDLED DIRECTLY BY OWNERSHIP. r 10"D IDUOUS p2" WHITE OAK \ 14"WHITE OAK \ 1 \ _ \ / 5" WHITE OAK _ / i 15"WHITE OAK \ \ \ \ / 15TORAGBUNITS \ / (2)STOR(1 UNITS \ \ \ \ I •- _ / J/ J/ V/ ♦Y y - - \ \ \ i" _ \ - - - - I 1 I / / / \ 1 I 1 I p / �\ \ 5" ITEO \I \ AP _ \ _ 18" MAPLE I 1 \ \ \ \ 4"C�ECID OUS � ' \ 4"WHITE OAK 10" DECIDUOUS \ \ \ \ \ - \ \ . \ 26" WHITE OAK 15"WHITE OAK / \ \ \ . \ \ .ECID000S \ \ \ \ \ \ \ \ \ ) 1 \ 8" TE OAK / 1 ` % 20r \ \ 1 / / 12 DECIDUOUS 7 \ \ v.• / \ \ / < \OAK.. 6"DECID6/O!/S \ \ ♦ _ _ \ \ \ \ \ \ .L �L ^\ �L �L J/ y .L \ \ \ ,' ip \ \ HITE A / 6"DEC�IDUOUS 10"DECIDUOUS 1 \ 1 _ _ / 20"DECIDU _ _ _ \ \I ` / / I I y y y\ 15"PINE( / \ \ \ \ \ \ \ -�-• .y .L .L I W \ \ „ I /) \I \ \ \ \ \41•q - - - ' " \ a"DECIDUOUS l \ 26"WHITE OAK 10"DECIDUOUS P \ 18"DECIDUOUS \ � \ 1 \ \ 1 \ 1 \ \ \ \ \/ / I � \ \ 10"WHITE OAK \ \ \ \ \ \ \ \ l \ \ \ \ \ \ i I `L \ "L \L r \L / I / / EXTENT OF BAMBOO ID / UOUS \ / 6"DECIDUOUS \ I 60 S4"DECIDUOUS J 28" WHITE OAK `L IL 24"DECIDUOUS �L\ \ \ � I ]Y � � � — - / •, / \ \ \ � / / / � \\ 5"DECIDUOUS \ \ \ \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \\ \ \ \ \ 1 I \ \ \ W\ \ I \ 411- "DECIDUOUIS IV 14"•WHITE OAK LEGEND: REMOVE HARDSCAPE k k k k k REMOVE ASPHALT/GRAVEL REMOVE VEGETATION REMOVETREE ------- SAW CUT SCALE 1 "=20' 0 20' 40' co z IJ U CRAYG W J, KOTARSKI Lic. No. 0402048507 M E 0 � o N � N � > E w ar - +.: W N w 0 "I W t M aJv00 W cc::). N V x ce lQi oa =� Ln _ N = U > H Q c Lr. NN � M CO J � l­- 00 V) ti V) V) zz WW O Q Q � W W � QQ U O C) Q.Q CL z c\ c\ O G G W W Q Q zz C a 00 zz DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1 "=20' I..L 0 1 0 W 0 JOB NO. 40241 SHEET N0. C2.1 co r N v c m m o. c 0 d 0 I v d 7 zO -o K O O �z �Z O 02 c � m w E o -o c c o CO N 08 O c K � C� 3V) Z N O N axi � o 0T w_ L 0 0 nw O CL > c Y 7 N U c axi o a N N O pCp N U �o E D c U � 06 v 10 a U o d w O w.O U y8 C m no d L H L In EROSION AND SEDIMENT CONTROL NARRATIVE PROJECT DESCRIPTION THIS PROJECT INCLUDES THE DEMOLITION OF EXISTING LANDSCAPE ITEMS, CONSTRUCTION OF A SPA, AND ASSOCIATED GRADING AND UTILITIES. LIMITS OF CLEARING AND GRADING AREA OF 2.66 ACRES. ADJACENT PROPERTY THE NORTHERN PROPERTY LINE IS BOUND BY KESWICK RD AND KESWICK HUNT CLUB. THE EASTERN PROPERTY LINE IS BOUND BY THE KESWICK GOLF COURSE. THE SOUTHERN PROPERTY LINE IS BOUND BY THE KESWICK GOLF COURSE AND SINGLE FAMILY RESIDENTIAL HOMES. THE WESTERN PROPERTY LINE IS BOUND BY SINGLE FAMILY RESIDENTIAL HOMES. EXISTING SITE CONDITIONS LIMITS OF DISTURBANCE IS CURRENTLY LOCATED ON A PORTION OF THE KESWICK HALL AND GOLF CLUB PROPERTY. THIS AREA CONSISTS OF EXISTING GRAVEL AND ASPHALT PARKING ALONG WITH A FLOWER GARDEN. OFF -SITE AREAS NO OFF -SITE AREAS WILL BE IMPACTED. CRITICAL EROSION AREAS ALL CRITICAL SLOPES ARE SHOWN ON PLAN SHEETS C2.0. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE CURRENT ADDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION. STORMWATER RUNOFF CONSIDERATIONS ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED IN ACCORDANCE WITH VESCH AND THE CONSTRUCTION , SE UENCE INCLUDING THE INSPECTION OF ALL MEASURES AFTER ALL RAIN EVENTS. SEQUENCE, PERMEABLE PAVEMENT AND THE PURCHASE OF NUTRIENT CREDITS WILL BE USED TO TREAT STORMWATER QUALITY REQUIREMENTS. PERMEABLE PAVEMENT AND UNDERGROUND STORAGE PIPES WILL BE USED TO MEET STORMWATER QUANTITY REQUIREMENTS. STRUCTURAL PRACTICES: 1. TEMPORARY CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE PROVIDED AT THE LOCATION INDICATED ON THE PLANS. IT IS IMPERATIVE THAT THIS MEASURE BE MAINTAINED THROUGHOUT CONSTRUCTION. ITS PURPOSE IS TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. 2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS SHAL L BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED. ITS PURPOSE IS TO INTERCEPT SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS AND PREVENT SEDIMENT FROM LEAVING THE SITE. 3. STORM DRAIN INLET PROTECTION - 3.07 STONE FILTERS SHALL BE PLACED AT THE INLET OF ALL DRAINAGE STRUCTURES AS INDICATED ON PLANS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM ENTERING THE STORM DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION. 4. DIVERSION DIKE - 3.09 A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. 5. SEDIMENT TRAP - 3.13 A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE TO DETAIN SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND "DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF SEDIMENT TO SETTLE OUT. 6. MAINTENANCE OF SEDIMENT TRAP - INSPECT TRAP EMBANKMENT WEEKLY TO ENSURE IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED DURING CONSTRUCTION ACTIVITIES. ADDITIONALLY THE TRAP SHALL BE CHECKED AFTER EVERY RAINFALL EVENT. ONCE THE SEDIMENT HAS REACHED THE DESIGNATED CLEANOUT LEVEL IT SHALL BE REMOVED AND PROPERLY DISPOSED OF. 7. DUST CONTROL - 3.39 DUST CONTROL IS TO BE USED THROUGH THE SITE IN AREAS SUBJECT TO SURFACE AND AIR MOVEMENT. VEGETATIVE PRACTICES: 1. TOPSOIL (TEMPORARY STOCKPILE) - 3.30 TOPSOIL SHALL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE LOCATED ONSITE AND SHALL BE STABILIZED WITH TEMPORARY SILT FENCE AND VEGETATION. 2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 30 DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 3. PERMANENT SEEDING - 3.32 FOLLOWING GRADING ACTIVITIES, ESTABLISH PERENNIAL VEGETATIVE COVER BY PLANTING SEED TO REDUCE EROSION, STABILIZE DISTURBED AREAS, AND ENHANCE NATURAL BEAUTY. 4. SOIL STABILIZATION BLANKETS & MATTING - 3.36 A PROTECTIVE COVERING BLANKET OR SOIL STABILIZATION MAT SHALL BE INSTALLED ON PREPARED PLANTING AREAS OF CHANNELS TO PROTECT AND PROMOTE VEGETATION ESTABLISHMENT AND REINFORCE ESTABLISHED TURF. MANAGEMENT STRATEGIES 1. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH IMMEDIATELY FOLLOWING INSTALLATION. 2. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AFTER GRADING. 3. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER TO MINIMIZE PERIMETER CONTROLS. 4. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW. PERMANENT STABILIZATION ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE IN ACCORDANCE WITH STD. & SPEC. 3.32, PERMANENT SEEDING. SEED TYPE SHALL BE AS SPECIFIED FOR "MINIMUM CARE LAWNS" AND "GENERAL SLOPES" IN THE HANDBOOK FOR SLOPES LESS THAN 3:1. FOR SLOPES GREATER THAN 3:1, SEED TYPE SHALL BE AS SPECIFIED FOR "LOW MAINTENANCE SLOPES" IN TABLE 3.32-D OF THE HANDBOOK. FOR MULCH (STRAW OR FIBER) SHALL BE USED ON ALL SEEDED SURFACES. IN ALL SEEDING OPERATIONS SEED, y SEQUENCE OF INSTALLATION PHASE I (SEE SHEET C3.1) y 1. A PRE -CONSTRUCTION MEETING IS REQUIRED WITH ALBEMARLE COUNTY E&S INSPECTOR, CONTRACTOR, > OWNER, AND ENGINEER. THIS MEETING SHALL TAKE PLACE AT ALBEMARLE COUNTY COMMUNITY >- DEVELOPMENT BUILDING. CLEARING LIMITS MUST BE FLAGGED PRIOR TO THE MEETING WITH ONE (1) y WEEK OF NOTICE. y 2. INSTALL SILT FENCE BELOW PROPOSED SEDIMENT TRAPS. CLEAR AND GRADE SEDIMENT TRAPS. 3. INSTALL CLEAN WATER DIVERSION, REMAINING SILT FENCE, REMAINING TREE PROTECTION, DIVERSION y DIKES, INLET PROTECTION, CULVERT INLET PROTECTION. f y 4. AFTER ALL EROSION AND SEDIMENT CONTROL MEASURES ARE IN PLACE, SITE WORK CAN BEGIN. > 5. ROUGH GRADE PROJECT AREA. _4 > 6. SEED ALL DENUDED AREAS PER VESCH STANDARDS. PHASE II (SEE SHEET C3.2) y 1. ONCE PROJECT AREA HAS BEEN ROUGH GRADED, TIE GRADES IN TO SEDIMENT TRAPS. y 2. ADJUST DIVERSION DIKES AS SHOWN ON THE PHASE II EROSION AND SEDIMENT CONTROL PLAN. t > 3. RELOCATE EXISTING SANITARY SEWER LINE t y 4. SEED ALL DENUDED AREAS PER VESCH STANDARDS. � Y y PHASE III (SEE SHEET C3.3) 1. CONTINUE GRADING ASSOCIATED WITH THE BUILDING PAD. INSTALL PARKING SPACES AND DRIVE AISLE t y AS SHOWN. PRIOR TO THE INSTALLATION OF PERMEABLE PAVERS, CONTRACTOR SHALL STABILIZE ALL c y UPHILL DRAINAGE AREA ND PROVIDE SILT FENCE PER SHEET C3.3. y 2. INSTALL STORM PIPES AS NOTED ON SHEET C3.3. ENSURE THESE PIPES REMAIN OFFLINE AND y PROTECTED FROM SEDIMENT UNTIL THE DETENTION SYSTEM HAS BEEN INSTALLED. y 3. PROVIDE INLET PROTECTION AND ADJUST DIVERSION DIKES AND SEDIMENT TRAP ELEVATIONS AS GRADING REQUIRES. y 4. SEED ALL DENUDED AREAS PER VESCH STANDARDS. Y A >- PHASE IV (SEE SHEET C3.4) A >- 1. INSTALL ADDITIONAL INLET PROTECTION WHERE SHOWN ON THE PHASE IV EROSION AND SEDIMENT y CONTROL PLAN AS THE STORM SYSTEM IS CONSTRUCTED AND BECOMES OPERATIONAL. y 2. BEGIN CONSTRUCTION OF THE PARKING SPACES LOCATED WITHIN THE EXISTING GRAVEL PARKING LOT. "t FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN 't y DAYS AFTER FINAL GRADE IS ACHIEVED. t >' 3. ALL STORMWATER PIPING & STRUCTURES, INCLUDING DETENTION FACILITIES SHALL BE INSPECTED FOR y SILT/SEDIMENT. IF PRESENT, SILT/SEDIMENT SHALL BE CLEANED OUT FOR THE SYSTEM TO THE >- SATISFACTION OF THE E&S INSPECTOR. y 4. ONCE THE SITE UP HILL FROM THE SEDIMENT TRAPS HAS BEEN STABILIZE AND APPROVED BY ESC INSPECTOR REMOVE, REMOVE THE SEDIMENT TRAPS AND COMPLETE ANY FINAL GRADING OR t y HARDSCAPE.. y 5. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS c > ACHIEVED. SILT FENCE BELOW SEDIMENT TRAP MUST BE MAINTAINED THROUGH GRADING AND t y CONSTRUCTION. y 6. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR. 46B - LIGNUM SILT LOAM, 2 TO 7 PERCENT SLOPES. 40 TO 60 INCHES TO PARALITHIC BEDROCK, MODERATELY WELL DRAINED. HYDROLOGIC SOIL GROUP: D 51B - MANTEO CHANNERY SILT LOAM, 2 TO 7 PERCENT SLOPES. 15 TO 20 INCHES TO LITHIC BEDROCK, SOMEWHAT EXCESSIVELY DRAINED. HYDROLOGIC SOIL GROUP: D 51C - MANTEO CHANNERY SILT LOAM, 7 TO 15 PERCENT SLOPES. 10 TO 20 INCHES TO LITHIC BEDROCK, SOMEWHAT EXCESSIVELY DRAINED. HYDROLOGIC SOIL GROUP: D MINIMUM STANDARDS: AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCALITY MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS: MS-1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. MS-2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. MS-3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. MS-4. SEDIMENT TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. MS-5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. MS-6. SEDIMENT TRAPS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. MS-7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. MS-8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. MS-9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. MS-10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONALT ADEQUATE OUTLET Q PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL. MS-12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS. MS-13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL SHALL BE PROVIDED. MS-14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET. MS-15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. MS-16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. MS-17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES. MS-18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. MS-19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE STANDARDS AND CRITERIA LISTED IN SECTION 19 OF VIRGINIA ADMINISTRATIVE CODE 9VAC25-840-40 MINIMUM STANDARDS. GENERAL EROSION AND SEDIMENT CONTROL NOTES: ES-1: UNLESS OTHERWISE INDICATED, CONSTRUCT AND MAINTAIN ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING REVIEW AND EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE EROSION CONTROL PLAN. ES-3: PLACE ALL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO OR AS THE FIRST STEP IN CLEARING, GRADING, OR LAND DISTURBANCE. ES-4: MAINTAIN A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN ON THE SITE AT ALL TIMES. ES-5: PRIOR TO COMMENCING LAND -DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFFSITE BORROW OR WASTE AREA), SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE ARCHITECT/ENGINEER AND THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY FOR REVIEW AND ACCEPTANCE. ES-6: PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE RESPONSIBLE LAND DISTURBER. (MODIFIED NOTE) ES-7: ALL DISTURBED AREAS SHALL DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND -DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT. ES-8: DURING DEWATERING OPERATIONS, PUMP WATER INTO AN APPROVED FILTERING DEVICE. ES-9: INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF- PRODUCING RAINFALL EVENT. MAKE ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES IMMEDIATELY. liment Trap #1 Design rage Area (Acres) (< 3) 2.68 Volumes: Elevation (ft) Area (so Volume(cy) 417 1210 418 1501 502 419 1817 61.4 _ 420 421 2158 2524 73.6 86.7 422 2915 100.7 Wet Storage Wet Storage Required (CY) (67*DA) 179.6 Bottom of Stone Weir (ft) 4200. Wet Storage Provided at this Elevation (C 185.3 Slope of Wet Storage Sides 2:1 Dry Storage: Dry Storage Required (CY) (67`DA) 179.6 Crest of Stone Weir 422.0 Dry Storage Provided at this Elevation (C) 187.4 Slope of Dry Storage Sides 2:1 SEDIMEnIT TRAP #1 No Scale Sediment Trap #2 Design Drainage Area (Acres) (< 3) Trap Volumes: Elevation (ft) 426.5 427 428 429 429.5 0.51 Area (so Volume(cy) 712 819 14.2 1050 34.6 1306 43.6 1444 25.5 Wet Storage: Wet Storage Required (CY) (67*DA) Bottom of Stone Weir (ft) Wet Storage Provided at this Elevation (CY Slope of Wet Storage Sides Dry Storage: Dry Storage Required (CY) (67*DA) Crest of Stone Weir Dry Storage Provided at this Elevation (CY) Slope of Dry Storage Sides SEDIMENT TRAP #2 No Scale 34.2 428.0 48.8 2:1 34.2 429.5 69.1 21 CONTRACTOR SHALL PROVIDE ALL INFORMATION REQUIRED FOR CONSTRUCTION RECORD DRAWINGS: a COUNTY OF ALBEMARLE 1. DcpeEtment of Community Development Construction Record Drawings (As -built) for VSMP The following is a list of information required on construction record drawings for stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the construction record drawing be prepared by someone other than the designer. Please do not provide design drawings as construction record drawings. s. g 8 g A. A signed and dated professional seal of the preparing engineer or surveyor. B. The name and address of the firm and individual preparing the drawings on the tide sheet. C. The constructed location of all items associated with each facility, and the inspection records to verify proper dimensions, materials and installation. The items include, but are not limited to the following: 1. Inspection Records and photographs for pipe trenches and bedding, including underdrains. 2. Video Pipe Inspection for any pipes which are not accessible or viewable. 3. Updated Location with geo-coordinates of all facilities. 4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities. 5. Current physical and topographic survey for all earthen structures. Ponds should include a survey of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required for alterations from the design. 6. Plants, location and type. 7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the installed of drainage structures culvert/pipe size weirs materials inlets or end treatment s type gO. Wet and outlet protection, alignment and invert elevations compared to design. 8. Computations: For significant deviations from design, provide sealed computations verifying that the as -built condition is equivalent or better than design. 9. Ditch Lines - Display the constructed location of all ditch lines and channels including typical P Y g sections and linings. 10. Easements - Show all planed easements with dead book references labeled. Facilities and e drains P g must be within platted easements. Provide copies of recorded documents. 11. Guardrail, fences or other safety provisions - Display the constructed location of all safety provisions; fences, guardrail, including the type, length and applied end treatments, compared to design. 12. Material layers - biofilter media, stone layers, sand layers, keyways and cores must be verified as to material types and depths. Include inspection reports, boring or test pit reports and materials certifications. Biofilter media must be an approved state mix. 13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable. 14. Compaction reports are required to verify fill compaction in dams. 15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning. do 3do(MIN.) IPE OUTLET TO WELL EFINED CHANNEL SECTION A -A FILTER KEY IN 6"-9", RECOMMENDED FOR CLOTH ENTIRE PERIMETER NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. OP 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 3 1 H INCHES. OUTLET PROTECTION No Scale r vnxrai CREST OF sroxE WEIRGROUND _ wuac' I ELN. DRY STORAGE - Ili YARVAr WET STORAGE a• un (Exuw Eo) FILTER CLOTH O.Ho ELN. SEE PLATE 3,13-1 COARSE AGGREGATE CLASS I RRRAP ""Coarse Aggregate Shall be VDOT #3, #357 of #5 Weir Length (ft) (6xDA) 16.1 Bottom of Trap Elevation (ft) 417 Bottom Trap Dimensions: 45X27 Top of Dam Elevation (ft) 423 Top Width of Dam (ft) 4.5 Top Trap Dimensions 52X68 CREST OF STONE WEIR GR�dIN�D ,vARWR>•• ,yy, DRY STORAGE - ,+ YARRdr WET STORAGE A, xAx (IXCAVnED) FLTER CLOTH OTCGIx4 TR OLIND 1 ELN. •SEE PLATE 3.13-1 COARSE AGCREGATE** CUSS I RPRAP ""Coarse Aggregate Shall be VDOT #3, #357 of #5 Weir Length (ft) (6xDA) 3.1 Bottom of Trap Elevation (ft) 426.5 Bottom Trap Dimensions: 33x22 Top of Dam Elevation (ft) 430.5 Top Width of Dam (ft) 3 Top Trap Dimensions 45x34 STONE 70' MIN. - CONSTRUCTION ACCESS --3" SM-2A ASPHALT TOP COURSE EXISTING 2%: -� 17 PAVEMENT MUM0 -6' MIN. 21AGGREGA A TE BASE PROFILE STONE 70' MIN, ,oNsTRuc(IN ASPHALT PAI/EO ACCESS- AWASHRACx I -EE XISTMO F 2% PAVEMENT *MUSTXT EEND FULL WIDTH 1 —POSITIVE SEE DRAINAGE OF INGRESS AND EGRESS TO SEDIMENT OPERATION TRAPPING DEVICE PLAN .. ._12' POSTtVE DRAIN,b:.;. 27 �TO SEDIMENT _ (RAPPING OEVIct FILTER CLOTEI-�•" SECTION A -A A limunimn water tap of 1 inch must be iti0alled widt a minim mt 1 inch ballcock shutoff valve supplyhtg a wash hose with a diameter of 15 inches for adequate constant presHure. Wish water must be caned away from the enhance to in approved settling area to remove sedhnent. All sedhnettt shall be prevented front euteiirtg stout drains, (filches or watercourses. PAVED WASH RACK NO SCALE CE 3.02 STONE CONSTRUCTION ENTRANCE No Scale 1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO TRENCH UPSLOPE ALONG THE LINE OF THE POSTS. POSTS. 4 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. .•tiIt 00000 p?���� GRAVEL FILTER 12 RUNOFF WATER WIRE MESH FILTERED WATER :.i:. ". a 'a...... `7. R •a J SEDIMENT CONCRETE GUTTER 12„ CURB INLET * GRAVEL SHALL BE VDOT #3 #357 OR 5 COARSE AGGREGATE. SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS APPLICABLE AT OCURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO O IP CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED AREAS. STORMWATER INLET PROTECTION No Scale PERSPECTIVE VIEW ". PRREjl FABRIC J: LINE POST IU GROUND LINE ` MAX. BRACING�CONCRETE FOOTING PERSPECTIVE VIEW PERSPECTIVE VIEW SAF PLASTIC FENCE METAL FENCE 3.10 SAFETY FENCE No Scale TABLE 3.31-B ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS "QUICK REFERENCE FOR ALL REGIONS" PLANTING DATES SPECIES RATE (LBS./ACRE) SEPT. 1 - FEB. 15 50/50 MIX OF ANNUAL RYEGRASS (LOLIUM MULTI-FLORUM) & 50-100 CEREAL (WINTER) RYE (SECALE CEREALE) FEB. 16 - APR. 30 ANNUAL RYEGRASS 60-100 3.05-1 (LOLIUM MULTI-FLORUM) MAY 1 - AUG. 31 GERMAN MILLET 50 (SETARIA ITALICA) TS 3.31 1. SET THE STAKES. 2. EXCAVATE A4"X4"TRENCH UPSLOPE TEMPORARY SEEDING PLANT MATERIALS H--�I ALONG THE LINE OF STAKES. No Scale TABLE 3.32-D i L1iIIIlII SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA %~ TOTAL LBS. PER ACRE �4" MINIMUM CARE LAWN COMMERCIAL OR RESIDENTIAL 175-200 LBS. 3. STAPLE FILTER MATERIAL TO STAKES AND 4. BACKFILL AND COMPACT THE KENTUCKY 31 OR TURF -TYPE TALL FESCUE 90-100% EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. o 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. EXTENSION OF FABRIC AND IppW�1II(I�IR��(dd/IEE� INTO THE TRENCH. FILTER FABRIC�1�Y11�1 SILT FENCE (WITH WIRE SUPPO No Scale FLC SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION 3.13 SF (FRONT ELEVATION) SILT FENCE (W/O WIRE SUPPORT) No Scale 2 X 4" WOOD SILT FENCE DROP INLET PROTECTION FRAME PI 1.5' L -r U 3' MIN. PERSPECTIVE VIEWS IMPROVED PERENNIAL RYEGRASS 0-5 /o KENTUCKY BLUEGRASS 0-5% GENERAL SLOPE (3:1 OR LESS) KENTUCKY 31 FESCUE 128 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP ` 20 LBS. 150 LBS. LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1) KENTUCKY 31 FESCUE 108 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP ` 20 LBS. CROWNVETCH " 20 LBS. 150 LBS. ` USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW: FEBRUARY 16TH THROUGH APRIL.................................. ANNUAL RYE MAY 1ST THROUGH AUGUST 15TH ............................ FOXTAIL MILLET 3.05-2 AUGUST 16TH THROUGH OCTOBER ............................... ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15TH........................ WINTER RYE ** SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF FARMVILLE, VA (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS USE UNHULLED SERICEA) IF FLATPEA IS USED IN LIEU DROP INLET WITH GRATE OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS MAY BE VFRAME ADDED TO ANY SLOPE OR LOW -MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. GATHER EXCESS PS 3.32 AT CORNERS PERMANENT SEEDING MIX FOR PIEDMONT AREA No Scale FABRIC IIII c�/ MIN. 4mo I II_` A.i, l--I !-I !-I I --I !-I ww�, J L I-1 I-1 L L DETAIL A STANDARD ORANGE VINYL OR PLASTIC CONSTRUCTION FENCE ATTACHED TO POSTS (PRE -WEATHERED WOOD, ELEVATION OF STAKE AND FABRIC ORIENTATION GALVANIZED STEEL, IRON OR THICK PVC PLASTIC), AT LEAST SPECIFIC APPLICATION 40" ABOVE FINISH GRADE WITH SPAN BETWEEN POSTS NO THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET GREATER THAN 6' ON CENTER. EVERY NINTH POST SHALL DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 57) WHERE CONTAIN A WARNING SIGN THAT CLEARLY IDENTIFIES THE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARETYPICAL. THE METHOD ETS RECEIVING FENCE AS A TREE PROTECTION FENCE. 3.13 IP CONCENTRATED FLOWS, SSUCH ASHALL TIN STREET ORAPPLY TO LHIGHWAY MEDIANS. 3.07-1 TP 3.38 STORM DRAIN INLET PROTECTION ITREE PROTECTION No Scale No Scale �`t � `° U CRAIG W. I. KOTAR4 1 Lic. No. 0402048507 M E 0 � o N to N C > E w at E Z: H N tj 3 LL 2 LUU. w 0 o of W t M a. J U Do J - Cal C:) N V Z N M a+ = X ce ( 0 Q = zr �= c aiN = U > L0 H Q C NN V M a t DO J C) LU � H 0 Z 0 ti ti ti ti m V) V) WW Z 0 C)~a W W a Q Q in a- CL Uj OW W Z Z W W Q Q ZZ C a 00 ti ZZ O O N w rq � N I- N � O O � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE N/A V / J J 2 U H4 V / W JOB NO. 40241 SHEET NO. C3.0 d d 0 42 TO 3 N 0 0 n n c to O v 0 N _ 0 0 C 0 r c�a =0 -o K o (7 CLco m0 �2 02 C-, w EO -O C C a) TO N a 08 0 a 0 3 rn Z m 0 m n M N F- 0Tw L = 0 0o n c y O = fn U N O_ N N TO pcp N O Co E = c U 03 o � v c -o 0 L O 10 a '0 w O To•- U v To 10 C y8 C 0 O F- L tq -^_AP '� "�J \ \ / J+ . < ... .. \, "� _ - t- -I-- \ / 447.3 Old? /' \ / TO BUILDING ` \ \ \ / /pCY y.. 2 /' ' / �cy - - \ \ _ ` / b6/ / / // ` \ \ 1 <..\. / _ _ \ EROSION CONTROL LEGEND .\ .. .... - - _7s \ '/ _ 445 \ .. e�OCkTOiQy \ \ dda' , 445 _- )IIIIIIIIIIIIIIIE LIMITS OF CLEARING AND GRADING '� CKWALL P / 2 , / \ \ ��? \ I\ \. _ _ .. M� _ / SOIL INFORMATION 443 UILDING _ I 1 " • ', .a P DRAINAGE AREA BOUNDS \ \ \ - �\ / / / E // \ / xII 2, +• / \ \� AP \,�Dh CE CONSTRUCTION ENTRANCE 3.02 \•�.'.�:�. `\ \ / 1'' / I \ \ .\ _ - - - / ' C9 .\. X .445 / \ \ <. / II11 >-444./4 / \ I / / X- SILT FENCE 3.05 `AO X L0CATI0N _ f 7 \ \\ \` \ _ 5w, 0EASEMENT , \_; 1 1, - /b _ REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND SSF �cX-Xis SUPER SILT FENCE 3.05-1 _ / / _ / I •1•'.' ram` _ _ Q I •''e •>. / / Box, I \ \ ' '' SITE IMPROVEMENTS" SDP-2018-016, WP0201800020 & IRR WP0201800078 FOR DESIGN INFORMATION. '• g IP ® INLET PROTECTION 3.07 PED e . add: .'.H D \ / J 1 - G �BR1ClF- . \ �\ 442.96 '' DD DIVERSION DIKE 3.09 6 RA L \ - \ \ / \ .a3 \ .\'�. \ \, i _ \ / \ - / / � \ \ / � l \ � STEMS t �... .... \ \ ye.e ' ' Z / •e --'�� C/G. / / �GFM ,5g•'•�- \ -- �' \ - 1\- \ •,"A \ \\ \ \ X' \ �/ �'\ ST SEDIMENT TRAP 3.13 WOOD DECK - G O'T \ >!\\ \. 3y . \ \ \ \�\ \ 4� • • e. /_ '' �oGT\c �\/ /--_ --� TFMR I P ,, •\ \ \\ e \\-----'' \.aa2' a \ 7) WOOD GT / ' - - - - - - S\ _ _ _ _ 439' \ \ \ \ a %'\ / / STEPS / i \ Q� _ 5� \ SANITARYMH ` \ ` \ _ - - - U� I _ , _ _ - - F //�/� \ \ A \ \ \ \ y\ \ I CD ROCK CHECK DAMS 3.20 1 v,.�........... IRRIGATION / Grp / INGr \ . _ - \0 `9g.... TOP=435.65 \ \ \. ` \.+.'.'.' ............ _ wv - - _ w \ / _ 2 HH � \ / INV1N=427.76 \\' - \ - - - UG \ - - \ _ -437 ....'\.'.i'.'. \% \ 37 _ _ _ / / LS LEVEL SPREADER 3.21 cn s.s lNV OUT=42702 ..\•�.� �.,_.4..... _ _ _ - - - - - _ ' TGRA7�/TE - - - - / \ ..\`_-------- - � -- �` / TS NI RYMANHOLE/ \ \ _ - _-_-_- -_-_-_ _ _ _ _STtr� \ _ _ - _ _- _ _ _ _ EOl / �/ ` \ �••. _ '`1. ''`.•• / / O TEMPORARY SEEDING 3.31 p '\..., •-�« "\ / / O PERMANENT SEEDING 3.32 EYBALL \ / \\ .� ` \ \ WV ` \ \ `\ ��.� I / ,46B - \,�_ / Pl �����\ \ \ `� FO / \I': '«•.,. \\ \'. II1 PS 'OSTS� � 3y1 .435 � \ \ \ , �� -, NGr _. a3a � .. \ \ \ �� ' / G \ ' •', '. , - - -�- _ 'C.','7. \ \ \ \ \ \ OR co \;. .. .. /, \ .� \ �' , .` APPROX. LOCATION MULCHING 3.35 / _ _ \ \ \ _ \ _ ' VEPCO EASEMENT / s \ TP ASPHALT ��� - ■` - - - �\ E)=43 . \ 47, PG. 675 SC 65 92 BUMPE�BLOEK � � � � / � �\ \ \ ` � '�C' �` '., / \ o P S I L TYPE'435 -W- - / ~ / _ J • / - _ Ta�\ \ \ l =429.3 \ - - - 1714 _ / / TP TREE PRESERVATION FENCE 3.38 ■" _ (� DC / Oi / _ OI L TYP \Bu�LDING I \ \ \ \ \ l 4 (9.37 SANITARY ` _ \ \ ■ - - VAR. WIDTH SOIL TY� E r r DRAINAGE E ENT �OIVGREFE P 4b- , _ 51 ?;,. _ `� I O \ \ \ �' ' q6'' 1 �, O DUST CONTROL 3.39 ■ W1 WOODEN STATUE / " , ^ O iP] \ _ - _ \ \ \ /III / / \ � DB. 05198 G.663- 70 a3a \ Zo o �\ \ ` � ` s . 51 B TP \ \�� IO�FT� 1 \ •�' / '.� /' \ \ \ \ ` _ _ _ k / / * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER _ \ / / _ - , / APPRQX �OC TION/ Al N \ TP \ s a . 9, /COA YriROUND y 1 _ / / / , / / -`\ 1 \ \\ \ `• . .�� r \ / / ' ,e} 0„ DD 46Y, PlC✓ f00NEA51tMElVjs6 1'0 �� ■ / 2' PAVERS s a \ g1 M . - / / / 5 , / /<� \\`\ \SPN v _--k\ / P/ � // . , / / ! l/ _��s'/ / y �RRFIHS Q30/ OC > \ P ' \\\ \ \\\\ / / /\ 51 \\\ `\- ---\ // \ ■I--'--_433_ 1 ___ TP i O cs>O \ \ \ \ \ '�"' l \ - 1�00D GAZEBO a2g" TP m \ \ I \ / \ _ \ 435 RlC < 1 ■ O ' - OL UM �Y TS DC WOOD GAZEBO \ \ \I ./ \\ �\... \ rl v / - - - - -- -\_ \ / \ r' 4' WOOD FENCE _431/ \��y - `\\ \ \4 W � \ `\ \ \ �\ `!mot\ SzoqrGRAfE \ v l l/ --------- - - \�\ S N \ \ R,c' __ I � - \ / �• / /pN \ 1 I\ \lNVlN=4�'7.02 � \------'--_ - - - -- \ \ WPCBUF R q\ \\ \\ II I \ O / 'IS / \ ` 1 c /�--\ r \\ - INVOUT=�674 \/ \ \ \--__ -- - \ - - F430- Q / �/ / \ / co \o\ \ \ 7C _ \ // ,/'//y 1 `� \\ \\ \ c� BANDCOBBLESTONE i / \ \ `\ --- `---- ----_ - ASPHALT 1 \ \GJ /\� , / / \ \ \ \ \ \ - - - - `_ _ '�\----- ---- - - - -- - 4' WOOD FENC 0 - - - - - - - SF - - - -- -�\ \ s" \ \CONTRACTOR STAGING - - - - - _ �\'-L / / / , .t...... \ \ \ \ l \ \ I ` ` \ _ - - - - - - ` AND PARKING AREA R/G T/OA/ \\ \, \ Pye /\� x\ / / , // / / / \\ '...\.. >4.4 \\ \\ c \ \ � ,r \ � \ \ � \ \ \ ` \ • _ _ � � \\\ \ AREA TO REMAIN �,SOILT i iE: 4• // \����\ ) d26 _ _ _ �, \ / / / / / - \ \ \ \ \ . \.. \, \ UNDISTURBED DURING �- /\ \ / t / -/ \ 0 ` DD / \ \/y L/ / / / \` 1 / / � \ \ '\' � PHASE 1 OF EROSION AND- \ SEDIMENT CONTROL \ \ \ \ f ` \ \� \ \ \� \\ • \ / /// / I / // I / / / - - \ \ \ \.\' 1 \ \ ` \ �\ TOTAL LIMITS OF ' TS DC \ \ \ \'/ \ \ ` \� DISTURBANCE = 2.66 AC \ \ \ \ _ _ NN\ `.:...;.,II I/ \ \ GRAVEL PARKING \`\\ \ ) I \\ -� I Z \ I < -. \ \ , 435 - / SOIL TYPE:I�_1 //// /'/ / \4?0- \ \\ DDII'I \\ \�/ \ _ C\ \/�/� - ` \\\ \ SOIL TYPE: cr?- SQ(L TYPE _ / \ \ \\ \\ \ \ \\ - / N / / - _ \ I1t ll�e�\' \ \ tS "�I \ it STEER 416 B CRITSTEER SOIL STOCKPILE \ \ \ \ / /' / / ,\ \ SLOP q (TYP.) DD / OIL TYp \ \ \ 41B_ \ \\\ %\� \`\ �• \ _ / / /// //// \\ I 51'1\ 1 1, 11 ` \\/ \\� ' DRAI TS DC ENT \ \mom II \ I DB. 051 P 3-67 o APPROX. LOCATION ; \ 1 15' VEPCO EASEMENT SEDIMENT TRAP #1 \ - _ _ _ Lam' / / I I / / 1 \, DD I I / 1 1 DB. 884, PG. 607 2.68 ACRE DRAINAGE AREA _1 _ _ _ ` NZL / / / / / " I I dlI 1 \\ \ ��, � /' \ \ \ TOTAL STORAGE REQUIRED: 359.1 CY / , \ TOTAL STORAGE PROVIDED: 372.7 CY SF - - _ A2 / / / I I \ \\ I �I I \ / \V \ / TOP OFCDAM ELEVATION: 423 ' , / / - 1 1 I' L L \ :y W\ ' • ,_ \ J \ �1\ \ STONE WEIR - - _ _ / / _ / \ I / ■ \ �• / _ -432- ` _ ■ \ / / - \ \(SEE VESCH STDS)/^'n.\ • �■�■ '^ SSF // \\\\ \\ \ � WETLANDS CLASS I RIPRAP / - -� - _ n ■ ■ ■ / 414-1\ L=16.1''/ / /� _� � �3 ��■■■� ' [ / / \\ �� \ \ \- ■ � / / (� // I^\ \ - 5'/ W=14.■W \/ \ \ \ ■- / � q, y \, \ - \ _ �- 1 'WPO FER � - ■ -(r �Q .� I ■i / / \ - \\ \\ / \413'_\ '�\1I\ r■■# �-- ' ININ \ ' II ■■ TP \ \ / i \ \\ I ■\ ) (\\ I �I \ \_--\\ \ .412 \ /\ \ / • • \ \ 50'WP0I ��u , _\, I y 1 \ 1 \vcv SBUFF8R \ -�� � / \ \\ \ \\ \\ / / 2�\ (\ \ -N \) \ 9�II / SF _ \ / (2)STO \) % < _ / 420✓ \ \\ \ \\\\ \-_\ // \ \ \ \ \ \ \ \ \ \ \ \ - \� , I ■ 14> \� \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 1 `lam �Y 411-\ 51,70 If \ \\ \ \ \ \ \ I \ \ \ e SCALE V=20' 0 20' 40' O U CRAIG W 7. KOTARSKI Lic. No. 0402048507 M E O o N N � E w E W N ¢`•� 3 � 3 LL o w 0 dWuj r M J V J - m j W N N v Z I- :w!2 r I' oa =� Ln _ N = U _ 1D F Q c rn Ve"'Oi N � M CO J kD F__ 00 V) ti V) V) zz Z G G p C) O � W W a Q Q U O O CL O W W Q Q zz C a Lu 00 C3 2O LuN N � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1 "=20' Lu Q I a- O O U Lu Lu �I Vl 06 O 1­I O Lu JOB NO. 40241 73.1 ET NO. 0 ai a N c d d 0 m 3 0 0 0 n n c m O N d 6 c m r N V c m m o. c 0 0 0 Fm v d 7 zO v K O O �Z O 02 c � m w E O -o c c al CO N 08 O c K al C� 3Z Z N O al axi � eu o w D 0 nw O 0. > c Y 7 N U c N O a) N N O pCp N U C � E D c U � vO 6 U :2 O c w O N O U y8 C m no d Er L tq- -A J \ \ / ... .. \,1- / 447.3 JGP / / \ TO BUILDING \ / 'y. 2� /' ' - � _ - \ - _ ` / b6/ `/ / // w 1 I � .T .. , �... / / I \ EROSION CONTROL LEGEND * 44 - - - - / @ T \ A / 445�- - - \ \ — 4\�.' �.�......,. ... ,•....y pF,.. ti I BANK _ r _ _ _ _ S , \/, -=' _ \, , i '''q:;';:,�: j, ^ S S S LIMITS OF CLEARING AND GRADING eU�� ✓✓ \ (SEE SHEETS C4.4, C4.5 pl • \\ - - k �`S _ -~ :/ /.� p4 / / ` - 'r,n / SOIL INFORMATION - \\ \.'\�,'��•�\� \ ----' �\ /' \\ / \ �O_�7fWA"LL�� , E2 8, C4.6 FOR DET/ILS) \` �,,..;.`. � � \\� \ / ` GG S\ t�%4T11V / 443 / / 1 I I Y • '. 6!. •. ^J� / s >. s \ S� G \ .\.\� •� • \, • _ UILDING \ \ �\ / / \ XI / i - _ DRAINAGE AREA BOUNDS 2:. p CONSTRUCTION ENTRANCE 3.02 AP X X— SILT FENCE 3.05 \ \ 31 45 \...\\..\.\.. \�..�.' .\\'.°\ \ \\ / / ` �� AP X. LOCATION \\ _ _ /1 /\ \ \ \\ _% - <- \_/ / \cF�`vG_ /\ 1 •:.>, / \\ ' y X444.74 44 6" GRAVITY \ d (PVC) A f a REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND ssF �CX--Xis SUPER SILT FENCE 3.05-1 DB.-884,PG.607 _ . Box, SITE IMPROVEMENTS" SDP-2018-016, WP0201800020 & "` lRR \ - - \ � � �_ ` � .:: , ' • . IP INLET PROTECTION 3.07 PED 1 PET / w\� G WP0201800078 FOR DESIGN INFORMATION. \ \vV' �\ 44296 _ _ 443- - -' , ':.., 1 DD DIVERSION DIKE 3.09 a36 .., \� / \ _ - / ` \ E8 I , '..,...,,,y ` \ , 'mob 6 / ° • / \yIAL�h ' \\- \\*\\\\w\ \ l \/\\ ' __�X\\ UG / / G '.�.\— 1\— \ 4 "A \\ \\ �\\ ST SEDIMENT TRAP 3.13 WOOD DECK / - G Gr \ \ 3y . \ \ \ \\�\ \ d: .`f \ "\.. \\✓ \ 77)WOOD �''T / - - - - , --_ S\ \ �-_439' � � \ \ \ as I ry42 - Ty - ROCK CHECK DAMS 3.20 STEPS \ \ \ \ \ SANITARYMH IRRIGATION li - O\L IRR TOP-435.65 w� HH EUC _ _437 . �'..'�.'.'.'. \' \ 3� _ - - / / LS LEVEL SPREADER 3.21 /NV 1N=427.76 \ .. ... e �. cn s.s INV OUT=42702 ..\ \ =. _._.4.�.... _ _ _ - - - - �ORA]P/TE _ _NI RY MANHOLE -------- - ----\ - - - - - - - - - _ - - - - EO/-/ a..,.wTEMPORARY SEEDING 3.31\s / l / F \ / \ .• �\ \ \ \ \ ��. I /466� - - \ / / �plO \�� ..�'. \..� \ \� ` -\ \ \";, :�;;., / \\ \.•..'..�\ /'. D11 // // PS PERMANENT SEEDING 3.32 OSTS/ \ g5 — -435 • \ \L ` \ �A'. �' - (/G/ — �a \,(� \ ec ♦' J \ X� W \ - — )\ _ . //\ \ \ Go\ \ .. y .... / \ �� \'.. \ , APPROX. LOCATION MU ./ �s9 \ . % \�= \ _ / - Q _ / \ I �\ \ \ \ \ `\, \ \ ♦♦' � _ ' \ \ — .., ' VEPCO EASEMENT / / ,/ / O MULCHING 3.35 SC BUMPE�BLQEK ` 3 / •� -O�I TYEi - - \\ \ \ ♦ \� 47, PG. 675 / / mP/ S IL TYPE:a 5 w__ J _ - To. \ ♦� a ----__ TP \BU DING \ ` \\\ ♦' �- :�. •• / / / "/ TREE PRESERVATION FENCE 3.38 \ VAR. WIDTH - - - - — — r — '� I I \� \ \ �\ ♦' x / DC S O I L TY-P E DRAINAGE EASEMENT / - / _ TP I I O ♦ 12 1 : • _ _ / O DUST CONTROL 3.39 / \ \ DB. 05198, PG.663-670 a3a ' - _ _ - - - - _ _ - • ' ^ o� oQ \ \ ' \ ` ` \ / s•, • 51 B / ' / �' A31g5 ♦ _ \ \�� �!p �T� I \ ♦♦' '. /' \ \ / ' * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER /QTP 1 \ YD IPMENT\ �\ _ / / ' ' \ \ \ 1 ' \ \ - ♦- ♦ q l ' / /' APPRQX HOC TION/ L4 I / y' - \ ` '43 _ r - - - \ ' / / / i ' / _ \ \ \ \ \ 1\ \ \ ' \ — / \ ♦ ♦♦ ♦61 \ Il pni / i'\ / % / ' DD 461, PFMUAII G! 10CA 31 0NEAMEN s \ '. I j l 25' 9ETBACi TP 433__-_I_- / TP N \ a \ I \\ y\\ \ \ r \\ WOOD GAZEBO TP TS xA3\ \\ /� V / DC ,2 / / ' � SAP1 - - _ � s \ � v� 'I \ \ S-9-------,eP" \- \ 2 - - / 29 / /, -\`� -- TS pC \\\ I \\ �I \\ /� \\`` //S ��`\w✓' \ /��%'�// \ �Q ��`, � / / \` --43T s RA \_ _ \ _ -43 ).92— _7NVIN=4�7.02------ \\WPaBUF R / / // i \ \\ \\ \� /� q \c --� \ - \ �• INVOUT-)1�6.74 \ \ --_- '----- ASPHALT143U �\ _ L \ \ �Q - - -- - - - - -- _-_429 - \�\_ �P�1 //// �\ \ .... / I I I (, \ 1 �O\ Oj DID TS CONTRACTOR STAGING - - - -- SF --- `\\\� / / / / / // I// \\ \. \.\.I\.\... \ \\ \ \ \\ ! \ \ c \\ _-- - -- -- \ \\ AND PARKING AREA R/(, T/OA/ \ \\/�/ / / // _ / _- AREA TO REMAIN \ \\ \ \\SO\ILTYP-E. s._ /���/� ��\V\\ Xp26 \ _ �:�.j ,/ // \�.'\.\.\\ M\ UNDISTURBED DURING \ 42 / \ \ " \ \ 1 DD / \ /\� \ _ __-/ ' i\1111 / / /' / \\ \./-...•. p W \ PHASE SEDIMENT CONTROL \ \ 1\ \ _ - - / \ \ /' •` \ \� \ \ \ \ \ \ . \ \TA / / I /'..'\ \ \ \ \ \ \ �\ TOTAL LIMITS OF \/ /\ I / / / I / \ \ \ \I)) / \ \ \ DISTURBANCE = 2.66 AC \ 2 / / I / / / / / / TS DC \ N \ .'.� r / I \ \ \ \ ` 1 I • \435/ \ •400A \I\ � /\///\/\ � \ 1\ ; I I J I / / ,I/ / / / / / - — \ \\ 1 '.l.'.'.'.'.'.1.'.I III \ \ \ \ C'-o - - �\ \\ \ 1 \\ � \\ \ \ / \� \ V \ \ / /�•, \ \\ \ \\\ SOIL TYPE: \\ ems\II\II\\ DID SOIL TYPE: 42427 51B � I R� 242 \ `I \ \`\ \ \ \ \\ \` ♦\/ 4224STEE ♦♦ \\ SLOP �S(TYP.) \ �\� \\� COO SOIL STOCKPILE \ \ \ \\\ \\ \ _ w / '/ SOIL,TYPE: DID `418_ � / \ '♦ \ _11 \\ ` TS DRAT QDC3.ENTDB. 051 , 670 o APPROX. LOCATION SEDIMENT TRAP #1 \ ♦ - _ _ ^� / /' 1 I 1 I - ' I \ II 15' VEPCO EASEMENT 2.68 ACRE DRAINAGE AREA _ 1 _ _ ` ` ZLry / / / / / I / / / dl \I``\1 \ \\ \r . \ \ / / \\ / _' DB. 884, PG. 607 TOTAL STORAGE REQUIRED: 359.1 CY / TOTAL STORAGE PROVIDED: 372.7 CY SF - - _ 42 �+ I , I \ \\ `\\\ \\\\ 4 \TOPOFDAMELEVATII'llON:4213 1 — /S01�-TYPE: ; II I� // I - I I 1 \\\ \\� Iq \ \ \\ \ \ / \ I f� \ STONE WEIR - - _ ♦ /' / 1\ \ / ��I / -432 *- (SEE VESCH STD$)--�� -��.- *■■■ WETLANDS \ CLASS I RIPRAP / �� -� - _ ■ SSF - / 1 414-1\ - L=16.1''/ / /� _� 4F � � ��a� W=14.5'/ �WPOg FER a� / �I��. y.. ♦ \ \ \ �� / I / /� \ _ . \ \ ' \ ff 413' \\ ( \ ,L` w ,412 _\ \ / \ \ I} _ . _ 7*` �3 \ 1 I \ `3 --/ \\ \\ \ �I -\\SBUFF8R ACk r SF \ _-- _ - \ \`3 I11 11 II II// \i // \\ I\ I ; L/i\ \\/ .• nn— \ 11 \ \ \ \ 1 \ \ 1 \ 1 \ \\ \ `\// L %Y �L 1 \L \ J' IV IV 'V \ e O CRAIG W J, KOTARSKI Lic. No. 0402048507 0M E rn o N � N O > E w E W N W 3 � 3 Q LL O W 0 R W r M d J V C9 Lu W C:) N v z v �x �Ja' aim oa =� Ln 2 N = U a c � NN � M n � CO J "o � 00 ti ti V) V) zz WW 0 O O � W W � Q Q U O O CL 0 O zz W W Q Q zz C a Lu 00 O O N w N O O\y � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1 "=20' 6 c N c� c d d 0 m 3 0 0 0 n n c m O 0 d N 7 0 0 c m r N V c m m n c 0 d 0 Fm L SCALE 1"=20' 0 20' 40' JOB NO. 40241 SHEET NO. C3.2 tq- -A '� J \ \ / J+ . ... .. \. -ry - - 1- \ r 447.3 ° JGP /' \ TO BUILDING \ / y.. 2� /' ' �cy - _ \ \ - ` / b6/ / / // 1 r .y '.. .: \ EROSION CONTROL LEGEND 445, C/RY \ � A ' - _ CONC. DUCT BANK � -� - _ _ _ \ K; SS , , \/.!�'�. \.. , t: ;.,�; , � j. ,' �. ^ S 1� S LIMITS OF CLEARING AND GRADING 00 r� `S/(JG \ d ��c (SEE SHEETS C4.4, C4.5 RR vb & C4.6 FOR DETAILS) - \ `� - `_ ., �" / / SOIL INFORMATION 443 TO BUILDING \ \ ` / / I / n. ... a a'� / DRAINAGE AREA BOUNDS \ \ / / ES , e �.... / '\� 1 �. h+ a.' . HMO CE CONSTRUCTION ENTRANCE 3.02 - - - - ' ,' \ \ \ \ i �"- \. _ - 3 ,\ .445 , \ \ \' q S- / \ a` SF X X- SILT FENCE 3.05 444.746" GRAVITY IJGP' (PVC) 0 .. REFER TO PLAN TITLED KESWICK HALL ADDITIONS AND SSF �cx-iCi/� SUPER SILT FENCE 3.05-1 7n Box,' \ ' _3 - ` \ hC\ '' SITE IMPROVEMENTS" SDP-2018-016 WP0201800020 & lRR 'lRR \ // \ I \ - - ' IP INLET PROTECTION 3.07 PED I PELT /\� G i WP0201800078 FOR DESIGN INFORMATION. A aA,l9 N6 / \ ..\:\.` \ \\ // \I \ / / _ Jl J - \H ORAL �BRiCK-\ / `' ;:.; •\ \v�l / \ \\� - _ _ _ _ 443- - ' .::.• I pp DIVERSION DIKE 3.09 _X�� UG / / \GFM ," \ �' �!\- \-- \ •, ..A \\ \�\ \\ \\ X' �\ �/ �\ ST SEDIMENT TRAP 3.13 WOOD DECKTFMR \�\ \ d: 7) WOOD �''T / - - - - - - _ S\ \ _ _ _ 439' ry 0 ROCK CHECK DAMS 3.20 STEPS UG SANITARY MH \ \�...... - , - _ . I - - - IRR \ q \ IRRIGATIO r� \'r0 TOP=435.65 \ \ .\\ ................ w- l I GT ` - - HH \ �. LEVEL SPREADER 3.21 \ 129 /NV 1N=427.76 E 1y INVOUT=42702 _ _ _ _ _ - _ .. •\. \v .a.,•;,�� \ TEMPORARY SEEDING 3.31RYMANHOLE s EYBALL \ / \\\ \ \, PERMANENT SEEDING 3.32 �A'OSTS -36 T 5 c��/ �.'�''`\\\ �c G \• ; ,_�� \ / / / / / \ �' \ 435 ♦L ` - / ' \\ \ ` \ •' \ MU MULCHING 3.35 S 65 s9G BUMPEkBLOEK \ DC / 1.� - �. -- \ ��\ \\\\ \ •. \ S/ (TYP) ' / TU. �' •'° - 1714 \ \ ;`,.•;.a., d I, / / TP / O / - -� ' / ' • '� \BU DING \ \ ` \ \\ - _ ��. 43798 _ \- ?: �.. / / / / O TREE PRESERVATION FENCE 3.38 //// -TYPE-. �B $F - SOtL TY C\ 1 ® \\ .' _ SANITARY r a`�4' A - - - _ TP _ _ - / •_ ^ \\ I CO'1'O\� \ \ \ \\ '� ' Aj1�t,'_ - \ \ \ \ \ _ / / DC SOIL TYP E ? 51 \I *' i / O DUST CONTROL 3.39 s•. • 51 B , ' g3 _ \ \ \\\ '�p��T� ' \ \j •�' ' \ _ u / ' * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER I \ ` / Ag3/ ti ' _ - / \' / \ • \ / -SAS / � :/ai / / b ry. I I \\ \ Y\\ / j\h` _ TP =� / / bury r\ �G \\ \ I / �s 8 \ �, \ `� l/d --�'/ '/ / ✓ / / / / / i /b '' \ 1 \ IPMENTDv---�/ R3/ / ��\ \\ \I \\ �v� / / r \ % _ ■`�1 1 TP �'/ / \ �l \ \V / I j/ �l \ 25'9ETBACiPil- ry / r a '433 WOOD GA1 \ \ \ / 43$ _ _ _ _ � � ' � / S - � 7 \ �\ \\ , \ \\ \ \ \ �� \ � ZE O \ ' ' SPN \4 1 \cp 1 TS DC xA� v3 /° _SAN- �`\ \ \ \\ -�� __ \ \ \ sy - ` _ � O INSTAI�L'gASE O�// / DC - - / \ \ \� \ \\ � ` /S�. \ e ---- 1__ COURS�FO�ASPHALT 29 O / - TS DC \ � 1 \ / / �\\ \ ���/ \ �Qp�f�• a / I -__ T$ / 3 DID / ` \ \ \ DID I \ \\ \-431 \ b 1 ✓ =43 ).92 - - _ \SL\� NVIN=4�7.02 �\----- - - - - -_ - - - - -- \\WPCBUFFFR \ I \ _ - - 1 430 \ ' i / TS / \ ` �� l l / �o \o\ \ \ ---_BbY_ ------ \ I 1 O �• INV OUT=)1�6.74 _ ASPHALTI \\ _ ' / , \ \ \r/ l / \ \ \ G \ G� ! \ \ \_ __ __--________ TS L \ \ �co I \ \k/ \\ ----- -- - - - - -_ \ _ 429-_ ~ SF - - --- - DC / ` 1\ PARKIN IMPROVEMENTS CONTRACTOR STAGING ----- --__-` \\\ AND PARKING AREA R/(, „ \\. .'. \ \ GTP ' FOLLOWING THE REMOVAL OF ALL \ \\SO\IL,TY`P CONSTRUCTION TRAILERS --- `-- \ 51B' \ �� -�, DID `� \ SOIL TYPE: \ , TOTAL LIMITS OF \ / / ,// /// TS i \I/1I/ `\ \ 51 B \\\ DISTURBANCE =2.66AC \ \ \ , I > � -435- //\ \ C15 \ \ I 1 I / I / - I (DID \ \ �`\ SOIL PE: \ =-- j , /, ,-_```-/, \ \TS DID \ \ / \ CRITIC EEf( �' \ 3 \ SEDIMENT TRAP #2 ` SLOP TYP. \ \ \ SOIL STOCKPILE \ \ \ \ \ \ _ / / / \ \ I I \\ \ \ \\ I v •O 0.51 ACRE DRAINAGE AREA v _ TOTAL STORAGE REQUIRED: 68.3 CY z , ' -4 / 80I L` TYPE : ', 1 \ \ ` - - - r \ \ \� I TOTAL STORAGE PROVIDED: 117.9 CY \ \ a - \ TS DC TOP OF DAM ELEVATION: 430.50 �. 51C SEDIMENT TRAP #1 2.68 ACRE DRAINAGE AREA \ \ \ \ \ TOTAL STORAGE REQUIRED: 359.1 CY , d.L 1 \A? \G>, \l DID(2) WOOD BAFFLES TOTAL STORAGE PROVIDED: 372.7 CY $F ' - _ 42 , ' I I I , I 6 I m a m � \ / TOP OF DAM ELEVATION: 1 _ 42/,''JOIN''TYPE: ; I // - I I \\ \\\ \ _ _-= m" /I -I'll STONE WEIR - - _ _ ♦ \ ' / - c ' ' `\ \ - ' / l ♦ • • \ / / \ ' -432 (SEE VESCH SIDS) / /^� .�- t • �� / ^ \ ,' \ \ \ c ♦ • \ WETLANDS ` ` CLASS I RIPRAP / - -� - _ ■ SSF \ - ■ / / / I L=16.1''/ ' /�''i �16��� I / / \\�' \ STONE '�\ -\ ` W=14.5'/ ■�VA'-I FER ���■ \ \(SEEVESCHSTDS) y \ y y y _ \ \ - - D = 3_ e - -� - /!I ,Q ♦� CLASS I RIPRAP 14/ W 'I, \\ _ \ _�I. --. . . \ ■■ \ / % L=3.1' \ TP \ W=9' \ I 413' \ \ I 1 I i \ , D = 1.5' \ \ \ 41 \� .412�\`l \\ I\\\ \ \ ,�\t--/4F'\ 7*� \ 11 III ' \ \ �j--// /\ \\ \ QII \ \ \ �l,-_\ y `/\\\ UFF8R \SB` SIF ,\ \\\ \ \\ \\\ \/ r\\ _i'L/ J/ j � \\� � y -, \`\ \\ \1 r\ ,�" /. `_ �- \ _-- _ _ \ \`3 I11 I` �I \\// \/ // \ I\ I ; L/i\ \\/ .• - 41 14/ .41 \' % ` _ / 4?O✓ \ \\ ` \`\\ `__\yam`♦.\\ 14, IV 14, IV 41 \ \ \ \ 1 \ \ 1 \ 1 \ \\ \ \// 41 1L \L / �Y \ \ \ \ \ \ \ r I °/ 41 IV V/ \41 SCALE V=20' 0 20' 40' O U CRAIG W J, KOTARSKI Lic. No. 0402048507 00 ti !ti V)V) zz WW O Q C] � W W � QQ U O O CL LIJ O G G W W Q Q zz C a Lu 00 O O 2O w N N � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1 "=20' JOB NO. 40241 SHEET NO. C3.3 d 0 m 3 0 0 O n n c m O 0 0 N d 0 c m r N V c m m o. C O 0 0 F. v d zO v K O (9 �Z O r� 02 c � m w E o -o c c al CO N a 8 O aci K O 3 Z Z N O al ❑- N H a) 0w D 0 nw O n > ` Y 7 N U N O :E; D N N O pCp N U �o E D c U � vO 6 .0 :5 o c w O N O U y8 C m no d Er L \...�. �. \v a. vim. v c>v ram. / \ P "!j \ — 7 r ... .. \. -ry — ♦— _ / fir;- ,Ipo / OGP /' \ - TO BUILDING \ - \ / aa9 �y 2�' / ....... / � - - ` - ' - - / a6/ // - - - \q1 / / \ EROSION CONTROL LEGEND - - - - - _ -/ 9� 7-7O \ - \ 445�- - - - \ _ '445 \.'/ -1 LIMITS OF CLEARING AND GRADING \ OC Ry dd8' � � / CONC. DUCT QkNK� / — _ _ _ ` (SE�SHEF�TSC4'4,f.4. �Q \\ ,� ...'✓�. - _ •�• \• N / OR \ '- ` �� - SOIL INFORMATION \ \ \ \\ UCA �' ' Ci \O 6 & C4.6� D�TAIhS) / \ .� T �" A / _ \S \ S,� G � ` \ .\. ,\� ,\�\, • , - _ \\� ' UILDING _ \ \ / DRAINAGE AREA BOUNDS - APL .. / " M bh CE CONSTRUCTION ENTRANCE 3.02 .446 - S— / X X SILT FENCE 3.05 \\ .'.<•. III q b' 6" GRAVITY\ ."''..\\\ \ 6� , apA DP \ LOCATON c(PVC) OEASEMENT / REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND dd2 SSF �cx-->C<-- SUPER SILT FENCE 3.05-1 \ DB. 884, PG. 607 SITE IMPROVEMENTS" SDP-2018-016, WP0201800020 & �. \.�..\ \\ \ , \ // `I , \G - - /lRR \ / _ _ _ _ _ _ \ \\ \ S bT �. INLET PROTECTION 3.07 PE� y� WP0201800078 FOR DESIGN INFORMATION. 6 ..\.?'.�.' // I / \ _ I — \H GRAIL - 1.BRiEK-\ ` : `; \ \ - I - -� _ , 443- - ` ':: j DD DIVERSION DIKE 3.09 .43 ..� �• ` \ , � / \ \ � � l \ � STEp\S •...� �.... \I \� _ _ \ \ I I _ - ..,, •� ` \ I l_ I ' I /\ l __i�\ SEDIMENT TRAP 3.13 WOOD DECK- - G G,, \ V \ \\ \ \✓/ /- ,' \ G/ ---� TFMR \� �. - 9 \\ \ \ \\ L�\ 4I'• `t. \ '\.. \ !y \/y ( f7iWOOD >� / - _ - - - - _ 0� \ _ _ _ _ 439' ROCK CHECK DAMS 3.20 SANITARY MH \ v,.�....... \... IRRIGATION TOP=435.65 EUMC .\ .\.. . .... ... e.. r \ / LEVEL SPREADER 3.21INV 1N=427.76 ....OT INVOUT=42702 �_ RYMANHOLE --- - - - - -- - -- \---- - -\!y _ TEMPORARY SEEDING 3.31 �/ `--------- ��-�-- ---__ EYBALL \ \ \\ ,46B - - \ _ / \ .� \� \ \ / I \ \ .. III / / PS 'OSTS /. \ \ $F � - ` \ � I / /, � �/� � \ •v \ � <`� \ ' '�' I \ ^ \ •\ / // O PERMANENT SEEDING 3.32 -435 GT ,a3 \ \ \ -!-C. ::. - \ / / / / / J \ � � O APPROX. LOTION / / CA / MU +ti h�5 � _ _ - ,��� � •_ _pp \ \ . \ . .�T(\\� VEPCO EASEMENT O MULCHING 3.35 RI/MPF)R RI nrK U /DAI r, c,, / - - \ ■AF 5-Tp p— — r VAR. WIDTH - - - 51 I \ \ ' o - - `: / ? DC TP c \ 4 DUST CONTROL 3.39 / ■ DRAINAGEEASEM DC / ' 48 •° O s� \ \ \ '/ \,.� \ - t`-`_ - / / / \ \ ■ DB. 05198, PG.663- asa ' 32 - - _ - e 7 - - \ \ GZps, O,p �\\ \ \ . ` :' :. / \ ` \ ` \ - - / \ cp., / ' g5 \ \\� �p �T \ �' , \ / \ ` - _ / ' * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER UO 0• A PS / •,` \ / SA� 1 / V\\ / � / IP i , ��./ ■� MU \\ N \ \yy -—_—— IPMENT \ \ / ■ \ _ TP v _ / , / / b ^ \ \ �s \ `\\ _ "\..�` l / — — / / APPRQX LOC TION , t / L/4 � } III / / — — , — — / — _ ■ — — _ — ' _ \ • ` — �'\ / / COMMUNICATIONEAMEIU� pq / \ / , DD8. 461, PC✓ 103/ J l II - \ // -q \ ` �'`° .. / h3% e � \ � \ —_ _fir . — • I%'� I l / // / , / / ! l � � / / 10 // C9 — — /// \ — \\ /_ PS ` v' ��'•�,a / A3� i / IP > M ! N /, �' .. �... \a I ( /` \\ / `� G I / l 25' SETBAG / l WOOD GAZEBO \ ■ - / i v v � \ \ 02 \ `\ \\ \ � 1 _sp- __�-------a--_ /�'/ \ `� \ �` e. S ��� \\1' ✓ /I/ ice -- co i a / \ \ n � p, �P�R Y a __ ----_ ----- ----- - \ �- O i 13 4\'•' �_ {'OQ \ \ 1 0 // ---------_ __-- UT DC _ / / 42 PS _ \' \.. \ I 437\ \ \ a /—————— — — — —_— — \ ___ �svy / \ \ 592�\N / �/l I _- _ — — VIN=4�7.02 \\ --------- - - - - -_ I -430— INVOUT=�l�6.74 ASPHALT -429 ----- SF ------ ��\�-- `CONTRACTOR STAGING - AND PARKING AREA \ AT/O/V -\\J i / / \'�\ \ R TP \ Gc!/ `------ \ -\\ SOIL\TY-PE 44 -51 B SOIL TY E: )1I1 I .� p a�°�� \ ' SJ� TOTAL LIMITS OF N / // I I , / / _ _ - - - \ \ \\ 431 \ \ DISTURBANCE = 2.66 AC \ - /_ / IP \ \� PS ---- 46B �u� //;;/ /�ROPOSkdSOIL TYPE:�'� G � - \ MU — —/ / SPA/ _ 51 C r�i —435— / m \ \ I SSbIL TYPE: .� _ / \4 \ ` \/TY PS MU rn \ iI STAGING AREA i41Vs--\_ ,/ ,/ -- I I �\ \\11\ I VAR. WIDTH DRAINAGE EASEMENT \ \ 1 APPROX. LOCATION II P$ DB. 05198, PG. 663-670 CL PS \' 11 423/4 p1� a / 1 \ MU mu \ '' DB. 884CPG. 607MENT SF 4/47A.'LO / '(-"p,'�f�^ 1 IP �r\O / 11 1 1 ` 1 - 7r4l '.\ \\\\ \\`- 4/61� \11�11 1, 1 •� , ,' 1 �/ I \\ II II \\\\\ I -_� DC I ( \. •� \' \\ // L \:y �.\\i \ /-- \\ \\\ •{j I-- \ \\�\\\\\`\\ \\ \\ ,/^y-_--�-: 1 - - ,h ,//1;\ \ \ -/ I -li. • ■ \\ �.\ _432- /,y y y "�\ `\ ,\ \___-- \'— \ \\`�\\`\\ \I,ll/ ��� �� �■ SSF^ WETLANDSwin - - \ \ \ `` \ \ / / , / / / ■ / .- - _ , , , ' I►■ \6a \ . �Q \ ��/ J i \ I ■ice `\ \ \\/ - -no_ \ L \1,1 .L .L .L .L \ \ 413' \ I \ y y y iJc \ y J� ^ y _ - .412 - \ I \ - \ W W / /`L `L ` \\ `L `I' A \ I I I ✓ , N v SF , / 50' WPO I '9- — \ : / - Ia v Na \ \ \ y 1L L rL\ L -' L_ b- -\ y \-/` \ BUFF8R� i \ \ \ \ SE3-k3ACk a1, \ PS OP 61 1=6' L( \Lx, �L \�L � RL \\ 1\ \ :, \ I \\ . ( � H - I- - / TP `\ y . n pp — IV .L \� \ \\ -\\ \\� ` \ (\ `\ <^ \ L L V� I jL ,^\ �L �Y `V ♦� l 1 ` a \� 1 �\ �`. \ � � ,/ I \\ \ i \ / I 1 \ IV IV IV `L 11, \L I \L \ \ \ \ \ \ \ r I °/ J \ I I ILI IV SCALE 1 "=20' It 00 \\ ` \ `\ l\\\ \ \ \\ \` \\ \` \ ' �L ,. `\�L / \\\' / `\ /1 I _ 0 20' 40' a 7\ p,1.axl L3� O U CRAIG W. 7. KOTARSKIt Lic. No. 0402048507 M E O U N � N � > E w E W a+ U. o WLu r M In W N N v X ce Qj oa =� c rn = al N = U > Ln c u'1 rn NN � M CO J C) Lu PME 00 ti ti V) V) zz WW p O O H � QQ U O O Z O G G W W Q Q zz Q. Q. 00 Lu N w N O O\y � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1 "=20' JOB NO. 40241 SHEET NO. C3.4 0 0 m 3 0 0 O n n c m O N 6 c m r N V c m m o. c 0 a) O I as zO -o K O (7 �Z O r� 02 c � m w E O -o c c o CO N a 8 O c O 3 Z Z N O N ❑_ aa) H al o w D 0 nw O 0. >` Y 7 N U N O a) 7 N N O pCp N U �o E D c U � 06 v 'U :5 O c w O N O U y8 C m no d Er L TIE TO EXI ILITY , . t.. I ...... ..... ......... ...... ..... TO BUILDING CT BANK S . . ... ..... . .... 'k )Vc ...... ......... . Is" . ... . ... ...... ................ ...... TIE TO EXIM. , CON ....... ........... ...... 8" STUB OUT 8"X6" ....... _11vG 22.50+450 BEND ............ ........ REDUCER v, IN IN N'\ OCK WALL 4W ... . . ... ... P=443± 4W Au_ TO BUILDING N, AfCH LINE QD E THIS S= NN, .......... L4wu W. I wi "I TIE TO EXI -11 T SHEEN D CT BANK S AP- ;,9T CRITICAL Lic. No. 0402048507 IN ......... . SLOPES (TYP.) CH. 40 PVC N, IN IN UGP--- -08"ONAL Vte_ 50BEND 0 a IN REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND . ... . ... . ... IN NN\ WALL IN N, I /I �1_ '\111 0 22a +4 - 11 IN rc- # 6;OP-443± RO AfCH LIN N X (2) 4'4CH. 40 PVC SITE IMPROVEMENTS" SDP-2018-016, WP0201800020 & ....... ........ mz � I x IRR IRR CONDUITS .. .... H 1 WP0201800078 FOR DESIGN INFORMATION. T��p S N� PE (P VIDE RACER WIRE) NNN N PED �RA IN N. 1 11.250+22.50 NN 'I TA IN IN, 'N' ,N BEND 'N. I .. ."', STEPS ...... `NN 1 4 R2' N� HANDRAIL 'NN TF NX RISERSS 'IN NIN, IN E WOOD DECK N, CGA"N DETAIL.'N. g C) (31 U WOOD _-N 'N. 01=Po — ­-�, < 0 > E SANITARYMH IRRIGATION UG7-, Lu q� E Z� TOP=435.65 ---W-----W— KESWICK HALL =_ -7! 0 INV IN=427.76 0-* 0 Lu 6 5 In �3 %J w 5 V) Ln INVOUT=42702 GRANITE 2'GRAVEL FILTER STRIP ST GUEST WING " � 3: %AI r6 �2 (SEE SHEET C1.1) 2'X2' Z � RISERS Lu ca rn "I Lu -ul- ft -,,COMMUNICATIONS < _j 00 V) U) lei_ j MANHOLE. 11�1, `N uej m Lon �YBAL c L N� .......... a- G zz IN ......... r,4 N`\ IOSTS (9 Lu z cp" 'N IN 0 N 3 0 Ln SL N, 6'WID ....... ... BUMPERBLOCK gJ (Typ) to 6" CLASS 52 u1vTOE ' ce 6 o- CROSSWAL ­i�_ > BUILDING N, NN r-4 U ... ... ....... 6' 24' 25' C) 10 R Z 0 TACTILE A� cp11 po EP R191 38' (TYP-) DOMES s CO U) R10' 11 C) Lu RELOCATED IN. __`SAN C) C) R10' �1 Lu SIGN ;� zz (2) 4" SCH. 40 PVC CONDUIT RELOCATE ) 5' � SIGN V (ENCASED IN CONCRETEUTILITY LINES \,STO LAYGROUND ?217. (SEE NOTE #1) 24' IPMENT R43' zz VIDE 6- KESWICK EST Q. Q. .250 SS K R81 (4) IMPROVEMENTS. CONTRACTOR TO U-1 3 5'-\ 0 5' sp, _"A \ COORDINATE WITH KESWICK I. ti R81.14 1w �cn co ESTATES CONTRACTOR FOR qCK (D R�0' SECURITY EQUIPMENT PLACEMENT '>< '6' WIDE HEAVY DUTY 3' B CURB (BYOTHERS - SEE NOTE #4) (SEE S R08S%��ALK STOP\ ADA RAMP zz CONCRETE CI*N LANDSCAPE PLANS) WOOD GAZEBO T ITION Mft TRANSITION ��40 $ WIHANDRAIL 1z, vw IV w 1 1 1 SAN RW CURB ft Lu I v > 1p TRANSITION vvr Lu EXTEND REINFORCED 'A 3 RELOCATE Lu TURF TO EDGE u OF PAVEMENT LINES < rq 24' ;� R124.08' - (SEE NOTE #1) 0 R, I-I " " < REINFORCED U-rl:' Ln TURF PAVERS R13011 CG-2 > DATE cp11 R10' MCI 2" PVC FOUNTAIN 1pl�, 0 WPO BUFFER < OUTLET IS 111912020 ADA BOX DRAWN BY N ASPHALT -NS C. GA YNER 0\ C)\ DESIGNED BY PROPOSED H D FOUNTAIN rAIN A ? SCAPE 24' SEE LANDSCAPE PLAN SEE LANDSCAPE FDC .. .... A co PLAN ALLISON R10' ... ... . ... . ��ci (6) 5" SCH-40 PVC CONDUITS FOR POWER SERVICE ;:: �� �L_116 6 Q TY .(0 CHECKED BY (SEE ELECTRICAL DRAWINGS FOR FINAL CG- REQUIREMENTS) c_ IRRIGA 91 P.) 7101V 0 C. KOTARSKI (4) RISERS WITH .... iTE • HANDRAIL LINES SCALE N (SEE ARCH. PLANS) R8' TE #1) GENERATOR PAD •11.=20' 24' EMERGENCY (HEAVY DUTY CONC. 00 2'X2' w 8"x3" COMMUNICATIONS ACCESS PATH SEE ARCH. PLANS) L5.55" 4/ LOADING DOCK 37 5.55' TS&V • MANHOLE. i22' 4.5' co PROPOSED (SEE ARCH. PLANS) R22' 22' R5' DUMPSTER AREA (7) BOLLARDS G SPA CURB R5' J P TRANSITION N­_ R44' REVISED 20'PERMANENT 24' STORMINATER ADA RAMP WITH 5' MANAGEMENT FACILITY HANDRAILS I C) G 450 BEND EASEMENT (SEE ARCH. PLANS) G CG-3 DB 05368 PG 0603-00612 STAIRS DB 05368 PG 0613-00619 (SEE ARCH. PLANS) CAL STEEP G (2) 4" SCH. 40 PVC 17.33X6'MECHANICAL EQUIPMENT PAD OPES (TYP.) - G 1'_0 NOTES: N" CONDUITS (HEAVY DUTY CONC. - SEE ARCH. PLANS) 5.79' .10 1. CONTRACTOR SHALL VERTICALLY RELOCATE NN (PROVIDE TRACER WIRE) 2'X2'COMMUNICATIONS D EXISTING UNDERGROUND UTILITY LINES AS N­� MANHOLE. REQUIRED PER GRADING PLAN ON SHEET C5.0.3 FT z: OF COVER SHALL BE MAINTAINED OVER EXISTING 3" DOMESTIC SERVICE WATERLINES. C1 6" FIRE SERVICE 2. A KNOX BOX SHALL BE REQUIRED FOR ANY C2 STRUCTURE NOT MAINTAINED BY BY 24-HOUR STAFF. N­1 450 3" C900 PVC\ -NN BEN STONE SLAB STEPS ARCHITECT/CONTRACTOR SHALL COORDINATE WITH I QTHE FIRE MARSHALS OFFICE FINAL LOCATION. N­N (NON -EGRESS PATH) N­N SAN 4"F GAS METER 3. LOCATION OF PROPOSED GAS METER AND 0 Z (SEE NOTE 3) APPROXIMATE ALIGNMENT OF GAS SERVICE. NN N­1 T.IE BUILDING SANITARY CHARLOTTESVILLE CITY GAS DEPARTMENT SHALL BE axl Us ,4 A- 91 TA TO kXISTING LINE. SEE 6" CLASS-52 RESPONSIBLE FOR THE INSTALLATION OF THE GAS < < _3 STANDARD ACSA SEWER DIfF! SERVICE AND ASSOCIATED METER. PRIOR TO THE SERXCE LATERAL START OF CONSTRUCTION, CONTRACTOR SHALL (4)45 -BENDS < COORDINATE WITH CHARLOTTESVILLE CITY GAS 141, CONNECTIC� DETAIL. Ln WETLANDS DEPARTMENT ON THE FINAL SERVICE ALIGNMENT, z IN, METER LOCATION, AND ALL OTHER REQUIREMENTS j (D 14, y y 1-, 4/ IV 14, OBUF7 FOR LINE INSTALLATION. lr� 450 BEND 4. ALL IMPORVEMENTS ASSOCIATED WITH THE j > _j 4, IV C3 14, 141, 41 41 NN 50'WPO 111, BUFFER SETBACK 14/ 14/ 14/ 1.1`1 IV 141, 14, 14, 14/ IV Ni'l ) A/ 1k 14/ 14/ 14/ 14/ 41 q/ X.. 41 Ni/ \I/ IV IV 14/ 41 IV IV 11, X. 4, 41 41 IV IV NNE ram-1 571 1�1 V `611�1 KESWICK ESTATES GATE IMPROVEMENTS TO BE HANDLED DIRECTLY BY OWNERSHIP. < z LEGEND: 0 u PROPOSED HARDSCAPE u Lu (SEE LANDSCAPE PLAN) 0 _j 1__q c� 4 (01 < Lu CONCRETE SIDEWALK Ln _j 0 HEAVY DUTY CONCRETE uj < >_ z < HEAVY DUTY ASPHALT LIGHT DUTY ASPHALT LOADING DOCK 0 (SEE ARCH. PLANS) PERMEABLE PAVERS REINFORCED TURF STONE SLAB STEPS JOB NO. SCALE 1"=20' 40241 00 0 20' liio- SHEET NO. z C4. 0 L rri \. \ \ v ,..\. 44( .436 / 2' GRAVEL FILTER STRI?/'_ _� = / - - _ _ - _ _ _ _ 439' 2 (SEE SHEET C1.1) (IYP.) \ \ I \N.�\�...�......... = s� wv—mow—\ 4"SOLID \ ` , \ _ IN�T4- - \ _ - - _ - -_ \ - UNDERDRAIN (TYP.)437 III 1■����i �� •!G�• • •�\ fir■■■� r!e!•!•!•!•!•ly�. III �■Pd ) .ii •••OI•!•!•!•liA�l6�� •!l�`� �. III +�; � r••••e!••••••i•w?i••`` /••A-�� cam_ oo••••••,,J•e. ••a�•� Ica■■e■.. `.�►A%_!•!•!G!•�•!•n•!•'•• • •`� • • • • • • • . uu uu,ull II I I III �du!o=Goo�,��e� dr • • • • • • • • • • • • • • • • • dl • I■►i..■■■■�� ` 1i ��llil�l�V�lNI�!•!!�!�!�!a!�`wCl�l�l�l�l�� 7r'S `" , `p - �I III �Phi7■■■■�. �A•�l�G�ll•1!�!�!�!�!IMMU �� !�`� �l�l��•••••A•N(I>•v III � �7•I�\■■L1.. ��• • • • • ! • • • • • • • � / • • •�'SA•!•••��O \� � I I II I I II IIII ��Ilil I I I I I I I I� � �I � i��� I t �� `,!�•�•�•�•�•�•�•�•�•i•�•�•�•�•�•�•�•�•�•C��wI � � ,�� ,t, II I II �i■fi,.1��\��_ a ���•�•���J�•�•�•�•�e�•�•�•�•�•�•�•�•�J�•�G�.�, �/� •0�4 MR . � � 11 0 � � �i7�r7fld dr i•@•iV•(Y••i �ApAA� MOW 4" CLEANOUT TYP. 3_50 4 - - ' I • \ \ \ �T ,I - ` ,? , .'/..'./.' / i.'.'/'...'/'.'%.. _ i , , / \ \ \ � r' \ \ / , .. ' { - \ / • / / \ / / \ ^ 4" PERFORATED PVC a .a3a 43 - - - - ' _ _ \ \ \\\ . 4w 'ro/ 8.. UNDERDRAIN (TYP.) dy 11 1 1 /\ /r_ / II\428.75 /,- A30 `\ \\ \\�\\•gam\\ _G `, ../ ` _ / // / ///! / /' 9/ \ %< \ r - \ l \ / \ \ / dry I 1 \ \__ ' \\ / _ 124 b 1 /y s,. '• \ \ I / \ WU` "`�s \ \` l r --/-- -�/ /' / //✓/ / / � / / / // .'��� I _ � � .'up. •.. :•:a :, ..• _,'� y Q-`'j .'. '122 INV: 4�6.50 ' GIN / U 25'TBACi AMR /' HDPET aM , s"SPN \ \\\ Ir \'':.,• `_4J: \ j�/ G. 1 ��'�'�'�` \ /� v I ` `- _ \ \ s4 - - DOWNSPOUT r 2 \ OWNSPOUT !. 119 127__- �/(y°SLOPE MIN.) g29 /� Ir 11!? \\ \ \ \\ \\\ FTCOVER MIN.) \ \ \ \ I / N*' (TYP.) \ INV. = 425.25 A29 R3 v 432 s9 � �\ I \\WPaBUFFFR I \ 0� -- - - -- - - - -- -- --- INV.T426.25 \ \ A�'p \ \ \O\C \ \ v \k� \ \ -- -_-- FOUNDATION — \SEE NOTE#4-THIS SHEET ( ) 18 F60"CMP 8" HDPE STORM SINE r -__� \ / / / INV=425.25 \ I'.l'I... r3EE ARCH/MEP PLANS FOR DETAILS) 1 w DO)/VjNSPOU ( WITH BOOT / SSEE ARCH. PLANS) (SYP.) TQ CONNECT TO �\ \ \`41E_DOWNSPOUT 1%SLOPE MIN. TYP. / I / t24' OF CO S200K TRENCH DRAIN. \ SKQ-C-HAP LOAD CLASS C INSTAL ION - \ \� \ \ 431 PUCTILE IRON S-LOTTED GRATES WYE FITTING OROPOS� V �, > 6" CLEA T 113 \ 36" CMP ACCESS RISER WITH / \ _ N co INV 1 MH-1 FRAME & COVER (TYP.) /SPA/ \ R I I c7 \ \ -� �\ \I -435 � `\ \ DOV61NSPOUTtSTOTIE I11 08 a gS� '� �y \\ \ 1 ` / \\` \ TO 8" HDPE PIP \ \ \ \ 114 F,OUNDATION'DRAINAGE g" HDPE TO TIE TO \ \ L \ / ( ��) STRUCTURE 108A l . 1 \ \ \ \ \ \ \ �\ / / SEE NOTE #4 THIS -SHEET 1' I G \ 1 \ \ \ 9h IN.=42§.25 / 134 6" HDPE TO C9I�NECT TO 6" HOPE TO ✓ \ \ / \>' / DOWNSPOIJf 1%SLOPE MIN. \CONNECTTO. I _ ,'� ' 1 / ' ( TYP.) -4,Q _ \ \ \ \ \ \ 0DOWNSPOUT DOWNSPOU9 WITH BOOT,' / (TYP.) (1 /o SLOPEWIN.) / / 6, SEE ARCI l.. PLANS) (TY (1'FT COVE�`fj)f'If�.) Z / / rr 'C`\ , / 108 /o\\\ i q24 / , �/ 132 '0'U 107 \ II� I \ 1 \\ 423CL 131 � 105 I I 1 \I II II \ \\ \ I \-_--t�\ \\ /(/ \ 1 1 / 10.2 �/ 1 / \ -- 1 I I 1 \ \ \ \ li 1 \ \ \ \ �\ r INV. = 41§A7 i' 106 -432^ WETLANDS103 \� \\\ \ J / / / J■ �- - - I/ / \ 1 r - \ \ / / i / \ \ // \ \\ \ \ \ _ �14- -�(/ �' / . 04 \I/ \\\413'' IV W \ \ \ I\ \ y y y /\k \ y \I� y� .412\�\ \ /\ \ /'\}_- `- V�--/ \\\\\ \\ \�' \^ \ \ \L \L \L , \L \L \\ W W \ \ 'p ✓ , ,M \ ¢ \ ROOF LEADER TO TIE TO PIPE \ \ \ \ / \ \ \ \ \ I / \ \ \ 103 VIA INSERTA TEE - - - - - 422\ `'sue \ ?� \ / \ ^ . \ \ L \L 1 \11 QY I J _ �4- - \ L \ / \BUFF8R 7 / \ rn a - � \ NOTES: SST \ \ \ C —\ / / I \ d� / � ) � ` � 1 i I \ � 1. ALL PERMEABLE PAVER UNDERDRAINS SHALL BE PERORATED PVC WITH A FOUR �\ 1AClC \ \ \ \ \ \ \ _ - - _ _ \ \ \ \ 1 \ 1 •(� \ \ /y,�. \ \ r _ _4� ` \ \ � I \ \ , _ _ _ \ 1 INCH (4") DIAMTER. SUBGRADE TO SLOPE TOWARDS UNDERDRAINS. 4" PVC FOUNDATION DRAIN TO DAYLIGHT er \ \ \ /\ - I \ \ \ / t \ 2. ALL CONVEYANCE PIPES THAT TIE TO THE PERFORATED UNDERDRAINS SHALL BE /_ ACCORDINGLY. PROVIDE RODENT GUARD \ / - \ I I \ \ \ / \ _ _ — \ \ SOLID WALL PVC WITH A MINIMUM DIAMETER OF FOUR INCHES (4") AND MINIMUM \ \ � / \ \ , _ _ _ - � ON THE END OF THE PIPE. MAINTAIN \ ( \ _ V SLOPED OF 1 PERCENT (1 /o). POSITIVE DRAINAGE IN PIPE. \ , l \ \ \ \ \ \ \ \ 1\ \ \ \ 3. CONTRACTOR SHALL ACCOUNT FOR STORMWATER ROOF LEADERS AS PART OF / I / \ _ _ \ \ \ \ / BUILDING CONSTRUCTION. CONTRACTOR SHALL REFER TO ARCH/MEP PLANS ^ 1 \ I / \ \ 1. ' AVG A I 1 / — — \ 4 \ ` \ \ \ \ \ ' \ \ y _ / \ _ FOR THE FINAL LOCATION OF ALL ROOF LEADERS AND CONNECTION DETAILS. \ \ \ \ \ \ \ \ 1 / / \ / \ CLASS Al I \ / j ` 20✓ \ \ \ \ , \ - ROOF LEADERS SHALL BE BURIED AND INSTALLED TO PROVIDE A MINIMUM OF A' •1• \L, l � \ � / ` \ < \ , I IDTH 1 = 6' / — / � \ � \ I ONE PERCENT (1 %) SLOPE. LEADERS SHALL TIE TO THE NEAREST I TH 2 = 8' \ _� _ \ STORMSTORMWATER STRUCTURE ACCORDINGLY. n \ ' ` \ / ^ 4. FOUNDATION DRAINAGE SHALL BE PROVIDED IN ACCORDANCE WITH T_H= /__ ` \V \ sfJ // � /i J I � `3 \ 1 �_ .' 1 I J //J \ \ \ \ \ \ \ \ \ \ _ DEPTFy\= 1. \ \ \ �3 / , — — I / - ' \ \ V - _ / ARCHITECTURAL DRAWINGS. DRAIN LINES SHALL DAYLIGHT SOUTH OF THE BUILDING AS SEEN ON THIS SHEET. POSITIVE DRAINAGE SHALL BE MAINTAINED IN \ \ ^ \ \ \ � \ \ \ �\\l• \L � \Y\ / \L \t' y ' . y y\ \ � 71 \ \ \ 1 - I � 1 \ / \ \ , - \ \ _ � - - - ALL STORMWATER PIPES AND FOUNDATION DRAINS. CONTRACTOR SHALL REFER \y TO ARCH/STRUCTURAL DRAWINGS FOR FINAL DETAILS AND SPECIFICATIONS. \ \ \ \ \ C \L I\ \L ^ \L \ / 1 \\tea �\ \ \ i l \ 1 \-'_-\/\ \ \ \ \ \ \ \ \ \ \ / / \ \ ^ / I \ \ 1 \ \ CONTRACTOR SHALL CONTACT THE ENGINEER &ARCHITECT IMMEDIATELY IF CONFLICTING INFORMATION HAS BEEN PROVIDED BETWEEN DRAWINGS. FOUNDATION DRIANGE PIPE MATERIALS TO INCLUDE BENDS, REDUCERS, \ \ ' ADAPTERS, COUPLINGS, COLLARS AND JOIN MATERIALS SHALL BE PERFORATED I , \ - \ _ \ POLYVINYL CHLORIDE PIPE ASTM D 2728 OR PERFORATED POLYETHYLENE PIPE %41 \ \L \L \� �\ \ � � _ \\ / -^\ I \\ \ l I ( \ I 1 \ ^ \I'/ \ (ASTM F405). ( ) \ \ \\ \ \ \\ \� \\ \\ \ \ \\ \ II I/ \ �. \\j/� �L\ II 1�' 1 /\ \ \\ 1, I \ \\\\\\�^I /\ l / `3 ♦ \� '\- /„/\�_\ /_-�__�' `__\_ \\ I / \` //-� J \ \ \ \\ 1 \ \\ I E 2\\ I \ \ \ \ \ \ \ \ \ 1 \\ \ / 1 \/ I\ /`\ I I /_ `�\ / f \ `_\ 1 1 I I I /0 \ 20, \ 40' co \ �_ Z \ \ \ \ 1 \ . \ \ \ \ I _ \ \ \ \ A \ \ CRAIG W J, KOTARSKI Lic. No. 0402048507 M E 0 o N � N � > E w E F- WU. N U. W r M CLLu J V W W N N In V = X oa =� .Ln-, x 1714 = U ID H c Ln rn Va"'Oi N � M CO J Lu kDH 00 ti ti V) V) V) V) zz ccc z G G Q Q Q H z z � QQ U O O CL O U) LLJ Uzi W W Q Q zz C a c0 zt c0 G G O O N 2O w N O ,\y ~ DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1"=20' JOB NO. 40241 SHEET NO. C5.0 d d 0 m 3 0 0 O n n c m O v d N 6 c m r w v c m m o. c 0 d 0 I L r-1 ^ \ \ \ \ ra \ .,•>\ •'•'>:2H; ,/ "\ I � u� I \> \ ` \\III I I \V \ \ \ \ \ ( r.d5g \ \ ,,y.... ,%y, 2 , � I ®' rn \ I 1 \( II V \ \ \ 1 \ \ \ \\1 \\\\ ( \ \ \ \\\ \\\\ \ J / I / 1 --\ t\\�\ \ \ \ \\ \ ,n:'\;..\, •/ b3 I \ I \ _\\\\\\\\` \\ \ \� \\ \ \ \ ^; \ \\ \`\ 460. I / - _\\�\\\1\\ 43 �'\ \ 60YI // _\� \ \\ \\\\\\\\1 (\ `-i\\\\\\\\\ \\\\1\;\\tl\1 \ 4. \ l x 440" / \\0.1 \ \\\ \ \ \ \ \ I \ \ \ \ \ / I 1 / � / I \ �' s \ \ l ,. � � � >i: I 6 k \\\ 440" / \\\\, \ \ \ \\\\ \ \\ \ / I I/ / Y / I l \\ :i• \ \` vsa� \� \\ 1 I � I \ \\ \ \�\\ if I I 1 I , I I I �'4s7 _ \ \ �® 1 \ \ \ 1 I , I IIII I ) 1 I 1 ^ v .a v` \ "\ t \ \\ "`WW`i.FF" \ ` \ \ ' / ^\ \ \ n1\ ' 1\ " \ \ \I\I 1yl I lol I I I �I I I I II I I I \ II 1 / o v ' \\ 1 \ ® \ \ of I ICI I I 1' I I I I 1 I 1 v ao \ \ -\\\4t ' \ � 11 b 10 I I I / 457- \ 1 / O 1 _ v I 1 v MI M f 1 111 I \ \ \ I % a/ \\ \ t -s \\\ ® O m \ MI V f I ll i I °, -, \ \ol I 1 I � �J I , \ \vlllly, Id,l1 I II I \ 1 I \ ` / \\\,\ 1 ^ I I/_-, \ 1v11 1 I, al III I ' \\T \ �' ® rpm _ \ \ I I 111) I I i l l l l l ,) I I I \ \ \', 4s_ / ` \` \ \ ® H I I 1 1 I I 1 1 1 ( 1 I I I I ( I I I I I ( ) III I 1 / \ \ , \ J \ ) a' of I I ( 1 I \ \ l \�. (\\ \ er c b I _/ / I I I I ) 1 I 1 , I I u;. I \\ 1 b 4)/ n /! 1( I ,( I i \` I 1111 ' /! >1 I I I /,�. ,� v Ir \` \ r 11 L,. I / 1 III \ - \ \ \' r 1\ _/ /' 11111 I I 1 1 I I I I ' f v ' a5q -\` IIII I11i1 ! , >1 11 I I •r S4gN p-�\ \ UGP- I� p-�\ ____\ / Il / \ ( /JIIIII I I I I UGP� \ r \ ',.a �( \ leo- Q I 0 1\ III I II I �, \ \ry `Fas?. /l / // Ji / S II, �R 11 JI)IIII 11 III I I'I1,1 - 4g9 \\\ \ti \\� M/, j./1 II) \ _` ,::! / III I,IJ) POST AREA 1-3 ,`I\6�ri l \ \� \ 1 / _ I, \ ` I I - - _ r I 1 ♦ I 11 1 1 \�\\ / )� i `\ \ i I I`- \J // / (1 - r'./. / / / `r , I 1 \ J I I I 1 111 // I I / I 1 \' ` ` / \ // /i ( \ \ i \ � \ � ) Z/ '<::� , / ' .. '11 / \ II ) I I , I1 , \ 1 ". \ i I , Jil 1)- / / / ,. , I, J 11, I111 II i , \ �c •.. � I / ! - ! ' _ 'I I �\-. 11 ,, l,l / 43 POST DEVELOPED DRAINAGE \`, ��.�J ` I \ - - C7-- \\ \ l ,_ i ` `- / \ii '\`- / / / / ♦ J„///,/ 1f )i /I C7-- \ \ / \�l' \ /'`\- I / // /- / 11 \ ////l/1/ 1(f, / Iill/I, `\ \ " \ 100'sHEETFLow - �� ` �i l 1 _, / / ' JI'h / Fes' ; i/ ,I,////f / I (, `\ AREA TO ANALYSIS POINT 1I_ , \. - \ _; Jlh / Ate' / I / Pi 22' IMPERVIOUS ` - _ - / - "�i S, II , /i/ r i / J /' // I/ \e - 100' SHEET FLOW ` , _ i. r „ , eel, 4 '' I \,/f,J // 9 (OFFSITE, DETAINED) 4, 22'IMPERVIOUS / (� ,. / %' / /1fill( PRE-DEVELOPEL �eAwoo 0. - _ _ bb/°' '-.< 8 1/% Js \'f;''1 �'/i/� 11 ✓, /�'If �d TOTAL AREA = 0.78 AC _ 78'WOODs W' , 438 \ r• , , -�� y,�5 v:"// _, /I / \ /j1 / it/�//„)1 ,/IJI fl'\ 45 \ ib r AT12.5% AREA TO ANALYSIS PUINI 7 \ ^ a „ IMPERVIOUS AREA = 0.15 AC \ \ �' \ / I �'`•. 'a.N:-. / // I/)' N 1 1 II�� \ ' \ � / 'a $I ,•.r:+ / � /' / ����, �' �� N I I 1 � / � `\ (OFFSITE) _ - _ / a I v , PERVIOUS AREA = 0.58 AC ;. TOTAL AREA =0.78AC _-'/ \ \ ,\�;^\ - , `\`"' 4gs „/// (/;';; �; FOREST AREA =0.02AC 15rs ALLOW CONCENTRATED FLOW / i IMPERVIOUS AREA = 0.15AC , \ _\ o / ,. r„/ /// / g \ TC = 7 MIN - \ _� o " : ss' IMPERVIOUS * ,/ PERVIOUS AREA = 0.58 AC, - ' - - _d - I `'„// / I 1 _ - - y, , _ \ - - 63' PERVIOUS i�„ \, l \ - _ ,443 6 ,- .^ ' l _ AT 5.0% FOREST AREA = 0.02 AC _ - \ \ \�\\ - l ,:' / / l / l _ ' - ¢J'�\ o - \ \ �\ I ' \ 1G - --1 \ \ - a2 I P \�` I/� v , . \ _ _(tl• 1 \ \ / (TC = 7 MIN V Y� - - - 439 �_ \` \ \ _ d / / J / \\� \ \ Y ( - -439 438 I _ / - - - _ 4387 I , b 1k: / I ,11 \ / _ \ _ Wf - _ - - _ ,lit ... \\� _ O» 43-7 \--�___ �.d36� -435 J \\k I Q \ �\\�' \ .. .:. J / Q• S�'0 \ �\ '. •r• ,( _ /' l//// n, 1, / \\ /I///� \\ a ,. ,IN / / '� , / / 435- l' 100'SHEETFLOW . d3a ' - -' \ \ \ �j \ /�i'' 1 \ _ 1 - \ a� y _' l 437 - ' w 100 SHEET FLOW I ` 90' IMPERVIOUS 59'IMPERVIOUS \ r 10' PERVIOUS / 41'PERVIOUS ° ` I AT6/o / 4 _ _---' / . \ \ \ AA`7 �� ! l - /�AT5/o . �/ � b'D N A I '// / J ( \ � \�� /TSf✓, _ (% - _ l -- i drj0 `p�_{,�� ch g / y -\` \ / /% / / ' / iv vi// \` �\ -\�\ _- «..� Qn�O 429\ ` Yw,wwl /�( / /_� \` �\ \ �- _ - - ° 9' _ "+"" m ' �'� - _ - \ \ \ - - - _ ti OMB 3 X�' \ .. /° � r,,\� \ \ I / /� N �, `- _ _ - - ; �\ \- POST AREA 1-4 \. \ \ 43 , ° az - _ 4 - N _ ( _ - - - \` - \ POST -DEVELOPED DRAINAGE \ 100' SHEET FLOW _ a Qg \ - i\, =; PRE AREA 1-2 ( 3 - '� o°r , � `� 3s `� � N N ; / � \� � -43a PRE -DEVELOPED DRAINAGE ` IZ o� - \ \ \ ., ' �/ `r _ __ _ - _ _ _^ \ `\\ \ \ - - 100' PERVIOUS AREA TO ANAL PSIS POINIf 1 ` -' - ' -®� - - ` \ \ r N " ' `_ _ _ ; � ` _ AREA TO ANALYSIS POINT 1 e-. ® \ _ _ - _ O,ro-,..- ; e 432 air \\\`\ -_- 431'� -� I b \ MM� ___ _ \ \ TOTAL AREA =0.91 AC __ 431- 2-- Q 4 / \ - 1�\ I / / / / y- 1 \ \ , \ v d _ _ _ _ _ _ _ _ _ _ ` \ \ \ - y 2 37 CMP DETENTION SYSTEM ------ (ONSITE) _J/ l,\ TOTAL 2A ,�Y I\ - -4*_ - '429 \.. \\ SWM _ ---'--_--- \ \ \\ \ \ O 0 C IMPERVIOUS AREA - 0.66 AC r 9 - IMPERVIOUS AREA = 0.86AC - - - - `��/ /\ \\\ - - - - R2 4 \ate \ _ 4z \� ,-'- \ 1 \ \ \ \ - - \ \ \ \\ r - PERVIOUS AREA = 0.25 AC _ az a \ J \ \ \ ^ - \ TC-6MIN' \ PERVIOUSAREA=0.57AC' - / / /ONI I , `' � \ •-\, __---- \ � \ \`\\\` �� \- FOREST AREA=0.59AC _\ 4, `-- - ,`` / a / a \ \ \ 1 \ __\/`- `\\�\` \ \ \ (,Iww I POST AREA1-5 426___ wr TC = 7 MIN - -� - I - N� _ w w `- \ -\ /.,'///II / ' ` \ Q \\ \ r• �\/ \ \ \ 1 \ \ w\t„` -\ /�/ ' �- \� „I /L 4 / I - \ _ POST -DEVELOPED DRAINAGE ) \: \ \ 435 - ` \. AREA TO ANALYSIS POINT 1 , ' - M 5 - j - \ ` ` \ \° \ w\ ll \ \ \ / / N \ \ \ \ , \ \ Q \ / ' \ \ \ 1\\\`I� 42 \\ 'll \ \1 \ \ \ /// / / / yy 11 G w \\ \ i / r O� \ 1 w \ \ \ \ \ t 1\\ �l IIII\\ G� \ \ °jh \ \ `\ l \ ( I `. 1 `+. \\ \\ /J ' ■ - �,\ \ R35 \\ \\ \ t \I < I rw- �\ a \ \ TOTAL AREA = 1.11 AC �\\\\ / IMPERVIOUS AREA = 0.27 AC 366 SHALLOW CONCENTRATED FLOW \ \ \ r- , / / \ \ 1 1 \ \ I 1s\ \ \ \ , r'� u \ I 1 \ w W w L \ w \ \ `\� / / / Q \ -\i / 1 ! - \\ J -4,1 \ \ \\� , F, - 20 \\\\ \ \ \ \ w ( 40/MPERVIOUS �/� / \ I \ ( , f \ 1 I - w PERVIOUS 0.84 AC s �/f , I 42' PERVIOUS • ` `� ` • / \ \ \ \ \ \ \ \ \ - �C - / a 1 I / 1 \ I I \ \ \ \ \ TC = 6 M I N 4j�. \ ` - �43.� 19"`0+► I 284'WOODS AT _ 1 -_� , �• 1 )Ir v et \ _ i � \ l\ \ •. , 1 \ \ 47 � � �v y. / I P D` R 3 1 \ \ � ' / / / ( \ \ \ w�. - I \\ \\\\ I\\ (\ % /I< - I 1 \ , / `b \ - I/ 1 \ \ \ \ - \ \ /\ w w ` \- I\ \ \ \ \ \ \ _ w w w w 'w w \\\\ _ _ , \ I , 1 ( \ \ \ \ \ \ \ / 22T SHALLOW CONCENTRATED FLOW 58'PERVIOUS �\ \ \ \ \ \w- .\w - \ .-°t �• - - - , \ I / \ , _ r ` \ I 1 \ , \ - \\ii `I " ✓ ' \\ \\ 1 ! 1 \\ \ \\\ \\ 165'WQQDS - ' ✓ Ir\� `412 tl \ -J \ \ ` \ _ \\ \� \\ AT8% - a I // ��\ \ 1 _ \\ \ ` \ \` \ \ t \ \ ww w w /w ww w w ✓ ` � ccyyr>�i I _ / `ma 1 \ /1 1 \ 1 \ _ \ \ \ \ \ \ \.` \ \ \ Q 1I / \ l � \ \ \ --\ • - ♦ ).� \ \ _ w w �w "w \ \ \\� 1 1J \ \ / A 2 \ S" / \ e ` \ \ \ \ \ ww •✓ ww \www w \ `\ \ \\\\�\ \ ,\ \\ \ \ \ \ ` \ w\ `\ \\, \` ` \ \'-I\ \ I �- , ( \ \ \ \ \ I \ - < \ \ \ \\1 \\ \ \ \ \'. =6w w wTw w w -/\ \ \ ) Q `: \ \ \ \ ` \ \ \ ` \ \ \ \ ( w w w •✓ w w w w w \ \ I \ / �\ I \ l I / \ ' \ \ \ \ \ \ \ ` \ \ \ 1 w y' +' \ \ I I \ l 1 / \ l ` l \ \ \ \ 1\\ (•\\' ) \\)\\\\♦\\�\�\\\\\\\\ww wwww `N\` \ \ \ I \ I- ! \n J '� \ \ \\ n \ 489' SHALLOW CONCENTRATED FLOW - J - \ - \ I \ \ \ \ \ \ ` \ - \ \ \ w w w w 1y w w \ \ \ ci \ i r \ I \ -/ I \ \\ \ , I \ \ _ \ \ \ \ \ \ \\ `9 t \ w w w \_ \ 1-G \ `\ ANALYSIS POINT 1 65'IMPERVlOU3 �\ , _ w w �w w w -ANALYSIS POINT 1 \ \\ I \\\ �w w w \\ \ \ \\ \ \ \ \ \ \` w\.1 \\ \I ` �i I \` -` ` w _ df _ \ w 116' PERVIOUS I \ -\\ \/\\ `\ ry \ - v \ \ \ \ \ \ ,w w w w \w ..t w l / \ / J F) \ AT8.33% . \ \\ \ \ _,- \ \ \ WETLANDS\\ \ / w e ' w -� \ - ` \ \ \` `\ \ \ r \ _ I ' !� \ ( I \ J-`� \ \ ._n-r \ \ \ \ \ \ \ < 1w \ \ I �` J \ f I ♦ `\ ° \ \ \ \ .-..-i i 1 \ wJ ` ` \ 1 _ - \ \ \ ,WETLANDS < , \! o - - _ ` ` ` ` , \ _ T. \ 411 \ \ 1 ` 1 / 1 �. \\ \\ \ \\\ \ \ \ \ \�\ \ \ \ \\ (1 / w\ ""\w 'C`w\ \w \ 411 \ l \ \ 1 lN IN,�. \ \ \ \ \\~`- \♦\\\\\ \\(\\\\ ��\\\\\^ ww'•vr we e \ Q7 \ ) /f_ l/ i^ .-\ /I\ )\ ) \\ \ \ i/ \ r`` \ \\\\ \\\ \\\w) \\ Q1/a /-, \\ 1\ \\ )Il '\\,' IN, \ \ \ \ \ \ wwn \w\ \ \__ \ f ( / I _1 ! \ _ I I I I \ \ \ \ \ \ \ \ \ \ ` \\� \ �\ \ \ ` ww \ , \ I I \ I \ \\ ( I \ \ 1 \ \ ` \ \ , \ "\\ \ \\\ \ \\ ( \rw(/lw'`. .\\'r V\ \ VC`��_\ i t- / ` / _ I I ' I I�QALE1„=�0, 1 \ \_. °o \ \ \ \ \ \ \ \ `\ \ \ \ n \w\ \�_ \ ! 1 / J f ,l , \` j / , - I I I I \ \ \\\ \ \ \ \ \ � � / / _\_ / \ ( � /� I I \\ \\1\\ \ \ \ .\ w w_ \ _ _ ) 1 �QALE1"= 1 \ r I \ \ t i\ \o \ \ \\ \ i _/ '\ 1 J �l 1 I In \\ \ I `\ \\\\ \\` \\ \\ \\ \\\ \ ( �\ -� '\ -/ I / `- 1 1 I 1 \ 1� n I� I j 50j 1!"0'\ \ \ > , / ^ / / ) 50j 1/_0'\ \\ _ \ \ 1 ( (\ .' .1. I \ - ` \. _ ` - J \ I / I \ �` \ \ ' 1 , 7 \ ^ \ \ T ~ ` / (\ ...I I \ \ w 1 \ \ \ \ \ \\�\11 \(.`\\dt1\\\ \ \(\III!\1\-f s-\ `i ��/\ 1� /,\ i!\\ ,v III Il I//. ' 1 !I\_`\\_f.-\i l.`. /,. \\--/. IIIr Iit// 1 I "/i♦- WEIR ELEV. = 426.70 STEEL PLATE (14 GAUGE) 30"4" ORIFICE INV. 425.29 INV 422,00 WEIR PLATE SECTION T^0 OF STORAGE '.00 _ _ _ 10 YEA_R_WS_E_ 426.69 2 YEAR WSE 425.71 1 YEARWSE_ 425.15 ELEV. 422.00 WEIR PLATE IN 60" CMP STORAGE SYSTEM - SWM 3 No Scale 1. INSPECT PIPE SYSTEM BOTH UPSTREAM AND DOWNSTREAM OF THE WEIR PLATE CONTROL STRUCTURE FOR SEDIMENT BUILD UP ON A YEARLY BASIS. 2. INSPECT WEIR PLATE CONTROL STRUCTURE FOR CLOGGED ORIFICES ON A YEARLY BASIS.IF ANY CONTROL ORIFICES ARE CLOGGED REMOVE DEBRIS 3. IF MEASURED SEDIMENT BUILD UP EXCEEDS 20% OF THE PIPE DIAMETER. THE SYSTEM SHALL BE CLEANED VIA A VACUUM TRUCK OR MANUAL METHODS. STORMWATER NARRATIVE THIS PROJECT INCLUDES THE CONSTRUCTION OF A SPA, PARKING FACILITIES & ASSOCIATED UTILITIES. BASED ON THE LIMITS OF DISTURBANCE, THIS PROJECT CONSISTS OF ONE (1) ANALYSIS POINTS FOR STORMWATER QUANTITY MEASUREMENTS. PRE -DEVELOPED CONDITIONS WERE ESTABLISHED FROM THE AIRBORNE SURVEY DATED 7/31/17. ALL DEMOLITION AND CONSTRUCTION SHOWN AS PART OF WPO 201800020 & WPO 201800020 HAVE BEEN EXCLUDED FROM ALL STORMWATER CALCULATIONS. STORMWATER RUNOFF DRAINING TO ANALYSIS POINT 1 WILL UTILIZE PERMEABLE PAVERS AND A UNDERGROUND DETENTION SYSTEM TO MEET STORMWATER QUANTITY REQUIREMENTS. FOR SMALLER STORM EVENTS, PERMEABLE PAVERS WILL COLLECT RUNOFF AND DIRECT STORMWATER TO AN UNDERGROUND DETENTION SYSTEM VIAA SERIES OF UNDERDRAINS. FOR HEAVIER STORM EVENTS VDOT STANDARD INLETS AND AREA DRAINS WILL COLLECT RUNOFF THAT BYPASSES AREAS OF PERMEABLE PAVEMENT AND SEND STORMWATER DIRECTLY TO AN UNDERGROUND DETENTION SYSTEM. WATER QUALITY ANALYSIS (APPROVED WPO PLAN 7/29/2019) SITE DATA PRE DEVELOPED AREA IMPERVIOUS = 0.75 ACRES MANAGED TURF = 1.00 ACRES WOODS = 0.92 ACRES PRE DEVELOPMENT LOAD (TP) (LB/YR) = 2.30 POST DEVELOPED AREA IMPERVIOUS = 1.35 ACRES MANAGED TURF = 1.32 ACRES POST DEVELOPMENT LOAD (TP) (LB/YR) = 3.68 MAXIMUM PERCENT REDUCTION REQUIRED FOR REDEVELOPMENT = 20% TOTAL LOAD REDUCTION REQUIRED (LB/YR) = 1.65 LB/YR ONSITE TREATMENT PROPOSED TP LOAD REDUCTION ACHIEVED = 0.56 LB/YR STORMWATER CREDITS PURCHASED = 1.09 LB/YR TOTAL TREAMENT PROPOSED = 1.65 LB/YR *SEE SHEET C6.4 FOR NUTRIENT CREDIT AVAILABILITY CONFIRMATION. THE OAK GROVE NUTRIENT CREDIT FACILITY IS LOCATED WITHIN HUC 02080204. WATER QUALITY ANALYSIS (WPO PLAN AMENDMENT #2) SITE DATA PRE DEVELOPED AREA IMPERVIOUS = 0.57 ACRES MANAGED TURF =0.86 ACRES WOODS = 0.59 ACRES PRE DEVELOPMENT LOAD (TP) (LB/YR) = 1.79 POST DEVELOPED AREA IMPERVIOUS = 0.94 ACRES MANAGED TURF = 1.08 ACRES POST DEVELOPMENT LOAD (TP) (LB/YR) = 2.65 MAXIMUM PERCENT REDUCTION REQUIRED FOR REDEVELOPMENT = 20% TOTAL LOAD REDUCTION REQUIRED (LB/YR) = 1.10 LB/YR WATER QUALITY ANALYSIS (WPO PLAN AMENDMENT #1) SITE DATA PRE DEVELOPED AREA IMPERVIOUS = 0.57 ACRES MANAGED TURF =0.86 ACRES WOODS = 0.59 ACRES PRE DEVELOPMENT LOAD (TP) (LB/YR) = 2.88 POST DEVELOPED AREA IMPERVIOUS = 1.08 ACRES MANAGED TURF = 0.94 ACRES POST DEVELOPMENT LOAD (TP) (LB/YR) = 2.88 MAXIMUM PERCENT REDUCTION REQUIRED FOR REDEVELOPMENT = 20% TOTAL LOAD REDUCTION REQUIRED (LB/YR) = 1.28 LB/YR ONSITE TREATMENT PROPOSED TP LOAD REDUCTION ACHIEVED = 0.55 LB/YR STORMWATER CREDITS PREVIOUSLY PURCHASED = 1.09 LB/YR TOTAL TREAMENT PROPOSED = 1.64 LB/YR CURRENT DEVELOPMENT EXCEEDS THE REQUIRED WATER QUALITY TREATMENT BY 0.36 LB/YR (1.64 LB/YR - 1.28 LB/YR = 0.36 LB/YR). THE 0.36 LB/YR OF WATER QUALITY SURPLUS CREDITS TO BE AVAILABLE FOR FUTURE DEVELOPMENT ONSITE. *SEE SHEET C6.4 FOR NUTRIENT CREDIT AVAILABILITY CONFIRMATION. THE OAK GROVE NUTRIENT CREDIT FACILITY IS LOCATED WITHIN HUC 02080204. ONSITE TREATMENT PROPOSED TP LOAD REDUCTION ACHIEVED = 0.10 LB/YR STORMWATER CREDITS PREVIOUSLY PURCHASED = 1.09 LB/YR TOTAL TREAMENT PROPOSED = 1.19 LB/YR CURRENT DEVELOPMENT EXCEEDS THE REQUIRED WATER QUALITY TREATMENT BY 0.09 LB/YR (1.19 LB/YR - 1.10 LB/YR = 0.09 LB/YR). THE 0.09 LB/YR OF WATER QUALITY SURPLUS CREDITS TO BE AVAILABLE FOR FUTURE DEVELOPMENT ONSITE. *SEE SHEET C6.4 FOR NUTRIENT CREDIT AVAILABILITY CONFIRMATION. THE OAK GROVE NUTRIENT CREDIT FACILITY IS LOCATED WITHIN HUC 02080204. WATER QUANTITY ANALYSIS POINT DRAINAGE AREA ANALYSIS (PRE -DEVELOPED) PRE AREA 1-1 TO ANALYSIS POINT 1 (OFFSITE) AREA = 0.78 ACRES IMPERVIOUS AREA = 0.15 AC PERVIOUS AREA = 0.58 AC FOREST AREA = 0.02 AC Q (CFS) V (AC -FT) 1 YEAR 1.84 0.091 2 YEAR 2.48 10 YEAR 4.42 PRE AREA 1-2 TO ANALYSIS POINT 1 (ONSITE) AREA = 2.02 ACRES IMPERVIOUS AREA = 0.86 AC PERVIOUS AREA = 0.57 AC FOREST AREA = 0.59 AC Q (CFS) V (AC -FT) 1 YEAR 5.65 0.281 2 YEAR 7.43 10 YEAR 12.67 AREAS COMBINED (1-1 + 1-2) Q (CFS) 1 YEAR 7.49 2 YEAR 9.91 10 YEAR 17.09 DRAINAGE AREA ANALYSIS (POST -DEVELOPED) POST AREA 1-3 TO ANALYSIS POINT 1 (OFFSITE, DETAINED) AREA = 0.78 ACRES IMPERVIOUS AREA = 0.15 AC PERVIOUS AREA = 0.58 AC FOREST AREA = 0.02 AC Q (CFS) V (AC -FT) 1 YEAR 1.84 0.091 2 YEAR 2.48 10 YEAR 4.42 CHANNEL PROTECTION (ENERGY BALANCE): QDEVELOPED < 0.80*(QPRE-DEVELOPED*RVPRE-DEVELOPED)/RVDEVELOPED QMAx (1-YR) <_ 0.80*(5.65* 0.281)AC-FT / (0.204 + 0.134) AC -FT = 3.76 CFS 3.76 CFS + 1.84 CFS (AREA 1-3) = 5.60 CFS OK Q (1-YR) POST -DEVELOPED = 5.34 CFS FLOOD PROTECTION: POST AREA 1-4 TO ANALYSIS POINT 1 (ONSITE, DETAINED) AREA = 0.91 ACRES IMPERVIOUS AREA = 0.66 AC OK PERVIOUS AREA = 0.25 AC *PERMEABLE PAVERS HAVE NOT BEEN INCLUDED FOR RUNOFF OK REDUCTION PURPOSES ONLY WATER QUALITY. Q (CFS) V (AC -FT) 1 YEAR 3.64 0.204 2 YEAR 4.44 10 YEAR 6.74 SWM 3 (180 LF OF 60" CMP) (POST AREA 1-3 + POST AREA 1-4) Q (CFS) 1 YEAR 2.82 2 YEAR 5.24 10 YEAR 9.97 POST AREA 1-5 TO ANALYSIS POINT 1 (ONSITE, UNDETAINED) AREA = 1.11 ACRES IMPERVIOUS AREA = 0.27 AC PERVIOUS AREA = 0.84 AC Q (CFS) V (AC -FT) 1 YEAR 2.77 0.134 2 YEAR 3.74 10 YEAR 6.67 AREAS COMBINED (SWM 3 + POST AREA 1-5) Q (CFS) 1 YEAR 5.34 2 YEAR 7.66 10 YEAR 16.34 POST -DEVELOPED Q <_ PRE -DEVELOPED Q 7.66 CFS (POST -DEVELOPED Q2) <_ 9.91 CFS (PRE -DEVELOPED Qz) 16.34 CFS (POST -DEVELOPED Qto) <_ 17.09 CFS (PRE -DEVELOPED Qto) ` (D U CRAYG W. 7. KOTARSKI5 Lic. No. 0402048507 I:$11-0q-20 M E 0 (r U N "i N � >E w qE x - � W N � Q 0 ~ i 3 LL o a w O a of W = f") ¢_jvOR J - rn WF N N v r Q�OLnLC d � � oa =� _ N x U > L0 c Lei rn NN � M d CO J C)Lu H 00 tn ti ti V) V) Z G G p O I'_ W W f- Q Q U O O C) Z \ \ I] ww Q Q C a 00 DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE AS SHOWN JOB NO. 40241 SHEET NO C6.0 0 c c 0 0 N l0 3 0 0 n n c O 0 N 0 0 c m r v c m co n 0 0 0 I! c�a �O o (r o (7 co O :2 m 02 c � O O E �. -0 c c ar CO N a 8 0� O c K a, (7 3Z Z N O ar �0 0w o � o. m .y Y 7 N U N O co CCp m U c 0 E � c U � 06 � c v :o 10 a U o d O 0 •- co U CO c C O C U 10 0 a) ° -C L .... ...lot, C9 all m... mN.'..'.' Nt 14L \ 6"GRAVITY OGr p' \ \ `\ (PVC) \ \..\.\.��`.�.'. \\ \\\ 44( A. _ /` - ro HYDRAULIC DESIGN CALCULATIONS (EQUATION 7.1 - SECTION 6.1 DESIGN CRITERIA - SPECIFICATION NO. 7) ; — /, - . DSTONE _ [(PX^I Rv1) + (PXAP)U (NrXAP) PERMEABLE PAVEMENT DRAINAGE AREA 1 2 FTx 1,753 FTz X 0.95) + (0.08FT X 1,753 FTz )] / (0.40 X 1,753 FT REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND DSTONE(MIN) = 0.39 ) = 0.39 FT ,w !/ SITE IMPROVEMENTS" SDP-2018-016, WP0201800020 & ,' P=0.08FT AP=1,753FV ; WP0201800078 FOR DESIGN INFORMATION. A,=1,753FT2 Nr=0.40 / <I... qxll R = 0.95 /. \ PERMEABLE PAVEMENT DRAINAGE AREA 2 r l+ / D [(0.08FT X 1,750 FT X 0.95) (0.08FT X 1,750 FT )] / (0.40 X 1,750 FT ) 1 - - .�'\ .•>''' \\ _ - _ STONE(MIN) f; \ aaa= 0.39 FT 443- — 'mq P = 0.08 FT Ap = 1,750 FT2 J •..: ..,�\ \ \ T 1 '� \/z / — — ' I r AI = 1,750 FT2 Nr = 0.40 i \ �11/ o�+�-, _ �\ PERMEABLE PAVEMENTRA DRAINAGE EA E AR2 _ _ \ _ ,\ \ \ \ \ _ - - - - ' ' ` 442 ' \ \ \ /y \/y ( / / 2' GRAVEL FILTER STRIF'� = 1,750 SF PERMEABLE PAVEMENT q39 `\ / \.. \ I \\\ �•� _\ -' (SEE SHEET \ 438� \� ,IN,� .�\ \\\ \\ \\ �\ \' 0 SF UPGRADIENT DRAINAGE _ _ \ CONTRIBUTING DRAINAGE AREA CDA = 1,750 SF \ CDA RATIONU 00:1 . - - - -437 \ \ 1 i � 1 PERMEABLE PAVEMENT DRAINAGE AREA 1 1,753 SF PERMEABLE PAVEMENT 0 SF UPGRADIENT DRAINAGE CONTRIBUTING DRAINAGE AREA (CDA) = 1,753 SF _ ,- � q33 � / � '•. \� I >\ \ \ \ _ \4 ��' ' t \ \ / / ! ! ' ' \ 1 / / - CDA RATIO = 0:1 pp1? 1 1 I I'�\ „ �_ � �� i7" �•a: .• �'�y'4 w_'�,„' / 1� // �`., / ),.. \ \\ \1 \ \ pFol,g6 `.� / I \ �` � / / ////-\/ \, � � °128 40 25' 9ETBACi ' P� � i / � • \ v / - _ , 3_ \\ r'.$Z�I4 Q34\\ I \\\ t / 1 / I/ /�i•�/G - w _ 432 - - - - -- - / //' 129 42 R0 \�i'''•`\\ \ / < / \ \` �C ,� `\, \ I G 11 1 / �OT� — — _ — — -_\` `__ --431 / (p / 126 /• a _ 9:..�,`,3'.°a \ ) \ \ / \ \� \ \\b \\ \ 1 \CA -/// /\� _ ----- - - - — _ \ �s / / y29 / _ •,�..•'.i,°. \ '\'• 4,7�\ , l \ _1 �\ \ 1 v / /!---- - \ — — \`�\ -____ - \ WPaBUFFFR \ I \ -430 / \ \ \ '-----'--_ -- ----- \ iJc9A. c \\ \--r--' \ \ ' PROPOSES �• 113 \ /SPA// :� \ p.. ..... 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SURFACE WATER FLOW \ \ ILI \ \ \ I \ \ \ \ \ \ \ \ \ \\ _ _ / FLUSH CURB BELGARD AQUA ROC OR PERMEABLE JOINT \ \ \ \ \ \ \ I _v APPROVED EQUAL OPENING AGGREGATE �L ( / l ^ \ \ Ip/ / // I \ 1 \\ \ (BROOM FINISH) r y \, y , M 00 0 z Z ... n \ 1-1/2" PERMEABLE 12" MAX. \\ SETTING BED .y .y \ .Ii \ \ � 1 )}r � \lW \ !/ \l \ ` \ \\ \J � i ` \ \ \ \ 1` O � �\ O � O O o ° /\�// AGGREGATE Nisr�\ �\ \ \ \ \ \ \ \\ 1' I \__\- \\ 4"21BSTONE \ \ \ \ \ \ \ \ \ \ \\ \ \ I \ ��\ 411-- 9.75" #57 STONE , 1 \ \ - -- \ / STONE qL Y / y \ \ ' \ \ ✓ \ c _ //\ ' \ ' ' \ ' ' ' ' \ PVC GEOTEXTILE COMPACTED UNDERDRAIN FABRIC (TENAX SUBGRADE SLOPE PIPE MS220B OR TO UNDERDRAIN PERMEABLE PAVERS SECTION - LEVEL 1 No Scale r���� U CRAYG W J, KOTARSK1 Lic. No. 0402048507 M E 0 U N � N O > E W ai 4-: W V Q ~ � 3 Q LL O n W t M d J V c0 Lu W N N v 30 (Ax 0 Q D't Ln 2 N = U Ln H c rn Oi N iU M n � CO J kD H 00 ti ti V) V) zz WW 0 Q O W W a Q Q U O O Z Zz O G G W W Q Q zz C a 00 O O N �O W N O � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE AS SHOWN JOB NO. 40241 SHEET NO. C6.1 iu d O m 3 d 0 O n n c m O 0 d N d 0 c co r N V c m m n c d 0 F v d zO v K O (9 �Z m0 02 c � m w E o -o c c N CO N a 8 0 8 O aci C� 3Z Z N O N n axi a) 00w L 0 0 nw O n > C Y 7 N U axi o N UJ �o p�p N U C � N E D c U � 06 U - O c w O w.O U 10 c y8 C m ns r L r� ROUTE Club Drive PROJECT Keswick Hall Spa DESIGNER: CG DATE 10/19/2020 CHECKED: UNITS :NGLISH �s per' xl O� U CRALG W. 7. KOTARSKI Lic. No. 0402048507 A�II-Oq-20 O�Y©NALC M E O p � U N "i N C > E Lu O O ~ W N � U) LL o 3 ti ff w O n3 m m aU 00 U V�j W J -� d O N Z N v ILI fLl Z W ate-/ Z Zi O X O Q Q oa=� ° ii 2 ry a Q Q U ¢ . V) 4 a C co Il-1 � N � �� 2Z CO H '-' z z W W Q Q CL a O Cr � O O O x ti ti LD-229 PROJECT: Keswick Hall Spa Designed by: CG LU STORM SEWER DESIGN COMPUTATIONS LOCATION: Charlottesville LU O N COUNTY: Charlottesville Checked by: U Lu N STORM FREQUENCY 10 NOAA STATION: Q Q N UNITS ENGLISH Oz O O ti ti DATE } 111912020 DRAWN BY C. GAYNER • DESIGNED BY • A. ALLISON • CHECKED BY C. KOTARSKI • • SCALE • N/A • • LD-347 PROJECT: Keswick Hall Spa DESIGNED BY: CG LD-347 PROJECT: Keswick Hall Spa DESIGNED BY: CG HYDRAULIC GRADE LINE ANALYSIS HYDRAULIC GRADE LINE ANALYSIS _ Checked: Checked: INCIDENCE PROBABILITY 10 Year INCIDENCE PROBABILITY 10 Year 7 O ~I J U J Q ^Q U I..L Q c�az Z Q z C7 J � w Q r 2 Z W Q O U w z J H� (� W V V / Q LU W LU Q C� L.L ,O V J JOB NO. 40241 SHEET NO. C6.2 F. PIPE NO. FROM POINT TO POINT DRAIN. AREA "A" Acre (3) RUNOFF COEFF. "C" (4) CA TOTAL INLET TIME Minutes (7) RAIN FALL In/Hr ($) RUNOFF INVERT ELEVATION LENGTH of Pipe Ft. (12) SLOPE Ft./Ft. (13) SIZE (DiaOr Span/Rise) In. (lq) SHAPE Number of Pipes Capacity CFS (15) Friction Slope Ft./Ft. NORMAL FLOW FLOW TIME Sec. (17) REMARKS (18) INCRE-ACCUM MENT (5) ULATED (6) Lateral CFS TotalQ CFS (9) UPPER END (]0) LOWER END (11) Depth of Flow, do Ft. Area of Flow, An SgFt Hm Ft. Vu Ft/Sec (16) En Ft. REFERENCE (ll STA. REFERENCE (2) STA. 101 102 100 0.00 0.00 0.20 5.64 6.34 0.00 11.23 412.23 411.70 53.02 0.01000 24 Circular 1 24.51 0.00220 0.95 1.47 0.48 7.63 1.86 6.95 103 104 102 0.00 0.00 0.20 5.37 6.42 0.00 11.23 413.50 412.33 116.56 0.01004 24 Circular 1 22.67 0.00260 1.00 1.56 0.50 7.20 1.80 16.19 105 106 104 0.25 0.49 0.12 0.20 5.29 6.45 0.00 11.23 413.97 413.60 36.95 0.01001 24 Circular 1 24.52 0.00220 0.95 1.47 0.48 7.63 1.86 4.8q 107 108 106 0.00 0.00 0.05 S.14 6.50 0.00 10.32 416.96 414.07 57.73 0.05006 18 Cncular I 25.46 0.00860 0.67 0.76 0.35 13.65 3.56 4.23 107A 108A 108 0.07 0.80 0.05 0.05 5.00 6.54 0.00 0.36 424.63 424.37 25.65 0.01014 12 Cncular I 3.89 0.00010 0.20 0.12 0.12 3.09 0.35 8.31 109 SWM3 OUT 108 0.00 0.00 0.00 5.00 0.00 0.00 9.97 422.00 420.32 55.93 0.03004 18 Cactilar I 19.72 0.00800 0.76 0.89 0.38 11.19 2.70 5.00 113 114 112 0.15 0.77 0.12 0.12 5.00 6.54 0.00 0.76 425.09 425.00 9.00 0.01000 12 Circtar l 3.86 0.00040 0.30 0.20 0.17 3.82 0.53 2.36 115 116 SWM3 IN 0.39 0.60 0.24 0.32 5.19 6.48 0.00 2.05 423.43 423.16 27.00 0.01000 12 Circular 1 3.86 0.00300 0.52 0.41 0.26 4.99 0.91 5.41 115A 116A 116 0.09 0.90 0.08 0.08 5.00 6.54 0.00 0.53 423.92 423.53 39.03 0.00999 12 Circular 1 3.86 0.00020 0.25 0.15 0.15 3.45 0.44 11.32 117 118 SWM3_IN 0.26 0.52 0.14 0.61 5.63 6.34 0.00 3.89 423.27 422.41 85.68 0.01004 18 Circular 1 11.40 0.00120 0.60 0.67 0.32 5.84 1.13 14.67 119 120 118 0.51 0.39 0.20 0.42 5.51 6.38 0.00 2.69 423.74 423.37 37.05 0.00999 18 Circular 1 11.37 0.00060 0.50 0.51 0.28 5.27 0.93 7.03 121 122 120 0.26 0.47 0.12 0.16 5.28 6.45 0.00 1.06 425.98 423.84 79.53 0.02691 15 Circular 1 11.48 0.00020 0.26 0.18 0.15 5.84 0.79 13.63 123 124 122 0.08 0.51 0.04 0.04 5.00 6.54 0.00 0.27 428.19 426.08 70.30 0.03001 12 Circular 1 6.69 0.00010 0.14 0.06 0.09 4.16 0.41 16.90 125 126 120 0.10 0.60 0.06 0.06 5.00 6.54 0.00 0.39 423.88 423.84 3.98 0.01005 12 Circular 1 3.87 0.00010 0.22 0.12 0.13 3.17 0.37 1.26 127 128 118 0.06 0.32 0.02 0.02 5.00 6.54 0.00 0.12 424.02 423.71 31.21 0.00993 12 Circular 1 3.85 0.00000 0.12 0.06 0.08 2.25 0.20 13.86 129 130 118 0.07 0.50 0.04 0.04 5.00 6.54 0.00 0.23 425.00 424.94 4.04 0.01486 12 Circular 1 4.71 0.00000 0.15 0.07 0.09 3.11 0.30 1.30 131 132 106 0.03 0.70 0.02 0.02 5.00 6.54 0.00 0.14 414.13 413.97 31.25 0.00512 15 Circular 1 5.01 0.00000 0.14 0.08 0.09 1.78 0.19 17.53 133 134 106 0.04 0.45 0.02 0.02 5.00 6.54 0.00 0.12 414.33 414.13 19.86 0.01007 8 Circular 1 1.31 0.00010 0.14 0.05 0.08 2.35 0.22 8.47 INLET OR JUNCTION STA. INVBZT EL OUTFLOW PIPE DEPTH OF FLOW OUTFLOW PIPE OUTLET WATER SURFACE ELEV. DIA. RFf Do (In/nm) DESIGN gSCH. Qo (CFS/CMS) LENGTH PIPE Lo (R/M) FRICTION SLOPE, Sfo (FT/FT) (M/M) FWCTION LOSS Hf (Rum) JUNCTION LOSS SURFACE FLOW Adj. H 1.3 H (RIM) Inlet Shaping? Y/N 0.5 Ht (FUM) FINAL H (FUND Inlet Water Surface Bevation Top of MH Top of Inlet Bev. APPROX. Adjustment? Vo Contr. Ho (R/M) Vi Vi'2/2g H (Expo) 0.35'MAX. (Vi2/2g) SKEW Angle K Bend H (Ft 'rvh Sum HL (FVM) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (16) (17) (18) (19) 100 413.290 102 411.700 2.00 413.300 24 11.232 53.02 0.00220 0.116 7.631 0226 7.199 0.805 0.282 0.0 0.00 0.000 0.508 0.000 0.508 YES 0.254 0.370 413.670 420.930 O.K. 104 412.330 2.00 413.930 24 11.232 116.56 0.00258 0.300 7.199 0.201 7.634 0.905 0.317 0.0 0.00 0.000 0.518 0.000 0.518 YES 0.259 0.559 414.495 418.490 O.K. 106 413.600 2.00 415.200 24 11.232 36.95 0.00220 0.081 7.634 0.226 13.654 2.895 1.013 0.0 0.00 0.000 1.239 0.787 1.239 YES 0.620 0.701 415.901 418.750 O.K. 132 413.970 1.25 415.901 15 0.137 31.25 0.00000 0.000 1.783 0.012 0.000 0.000 0.000 0.0 0.00 0.000 0.012 0.137 0.016 YES 0.008 0.008 415.909 416.750 O.K. 134 414.130 0.67 415.901 8 0.118 19.86 0.00008 0.002 2.345 0.021 0.000 0.000 0.000 0.0 0.00 0.000 0.021 0.118 0.028 NO 0.028 0.029 415.930 417.680 O.K. 108 414.070 1.50 415.901 18 10.321 57.73 0.00860 0.496 13.654 0.724 11.191 1.945 0.681 0.0 0.00 0.000 1.404 0.000 1.404 YES 0.702 1.199 417.625 428290 O.K. 108A 424.370 1.00 425.170 12 0.356 25.65 0.00009 0.002 3.088 0.037 0.000 0.000 0.000 0.0 0.00 0.000 0.037 0.000 0.037 YES 0.019 0.021 425.191 429.600 O.K. SWM3_OUT 420.320 1.50 421.520 18 9.970 55.93 0.00802 0.449 11.191 0.486 0.000 0.000 0.000 0.0 0.00 0.000 0.486 0.000 0.486 YES 0243 0.692 422.755 427.000 O.K. INLET Fd., dd q U iii O Fw O � Z O % p Sag Inlets Only .a w p A 11 INLET OR JUNCTION STA. INVERT EL. OUTFLOW PIPE DEPTH OF FLOW OUTFLOW PIPE OUTLET WATER SURFACE ELEV. qA. PIPE Do (h/mm) DESIGN DISCH. Qo (CFS/CMS) LENGTH PIPE Lo (FUM) FRICTION SLOPE, Sfo (FT/Ff) (iwM) FRICTION LOSS Hf (FUM) JUNCTION LOSS SURFACE FLOW Adj. H 1.3 H (FUM) Inlet Shaping? Y/N 0.5 H (RIM) FIN4L H (RIM Inlet Water Surface Bevation Top of M� Top of Inlet Bev. APPROX. Adjustment? Vo Contr. Fb (FUM) Vi Vi 2/2g H (Expo) 0.35'AMX (Vi2/2g) SKEW Angle K Bend H (Ft/M) Sum HL (FUM) (1) (2) (3) (4) (5) (6) a) ($) (9) (10) (11) (12) (13) (14) (15) (16) (16) (17) (18) (19) S WM3_I N 426.000 118 422.410 1.50 426.000 18 3.890 85.68 0.00122 0.105 5.841 0.132 5.270 0.431 0.151 0.0 0.00 0.000 0.283 0.856 0.368 YES 0.184 0.289 426.289 428.200 O.K. 120 423.370 1.50 426.289 18 2.692 37.05 0.00058 0.022 5.270 0.108 5.837 0.529 0.185 0.0 0.00 0.000 0.293 1.269 0.381 YES 0.190 0.212 426.501 428.300 O.K. 122 423.840 1.25 426.501 15 1.055 79.53 0.00024 0.019 5.837 0.132 4.160 0.269 0.094 0.0 0.00 0.000 0.226 0.787 0.294 YES 0.147 0.166 426.667 430.260 O.K. 124 426.080 1.00 426.880 12 0.268 70.30 0.00005 0.004 4.160 0.067 0.000 0.000 0.000 0.0 0.00 0.000 0.067 0.268 0.087 YES 0.044 0.047 428.327 432.720 O.K. 116 423.160 1.00 426.000 12 2.053 27.00 0.00296 0.080 4.992 0.097 3.448 0.185 0.065 0.0 0.00 0.000 0.161 1.523 0.210 YES 0.105 0.185 426.185 430.140 O.K. 116A 423.530 1.00 426.185 12 0.530 39.03 0.00020 0.008 3.448 0.046 0.000 0.000 0.000 0.0 0.00 0.000 0.046 0.530 0.060 YES 0.030 0.038 426.222 428.010 O.K. 128 423.710 1.00 426.289 12 0.124 31.21 0.00001 0.000 2251 0.020 0.000 0.000 0.000 0.0 0.00 0.000 0.020 0.124 0.026 YES 0.013 0.013 426.302 428.550 O.K. 130 424.940 1.00 426.289 12 0.229 4.04 0.00004 0.000 3.106 0.037 0.000 0.000 0.000 0.0 0.00 0.000 0.037 0229 0.049 YES 0.024 0.024 426.313 428.090 O.K. 126 423.840 1.00 426.501 12 0.393 3.98 0.00011 0.000 3.170 0.039 0.000 0.000 0.000 0.0 0.00 0.000 0.039 0.393 0.051 YES 0.025 0.026 426.527 428.070 O.K. 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I \ -- \ ` LEGEND t\ I lY \I' 11,\. `� .412 - _ \ BUFFL3R SEY�mCIC\ \ \\ �\ \ j / / �\ 1 \\ I'�>F �\ J \\ ) \/ _ I / -ul `3 n `\ r --A2�\ - \� `- DRAINAGE DIVIDE \y \y \y \ I _/\'L \le \lei � \\11 \Y J%`-- I \` \ \ t\ i �N �3 \ - \ \ \ \ \ \L \L ` 1\l,� \L \L4, AL - \ \\—\ \ �\1e \L � \I/\ \le // 1 \\ \\ \ \ \Y y' \le \ \ \ \ \ \ \ \ \ \ \ \ sr \ I t 1 c \ SCkALE 1"=20' \ / 00 ti ti ca en Lf) V) W W Q Q Q W W fY Q Q U O C) CL Z O u, zz W W Q Q zz C a 00 O Lu N 21 w N O O\y � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1 "=20' JOB NO. 40241 SHEET NO. C6.3 N L CO&NOISTS Chesapeake Bay Nutrient Land Trust, LLC. "Tomorrows Natural Resources Today" DEQ Virginia Runoff Reduction Method Re -Development Compliance Spreadsheet - Version 3.0 BMP Design Specifications List: 2013 Draft Stds & Specs Site Summary Update Sum marySheet Print Preview Print January 26, 2018 Mr. Andrew Allison Timmons Group 608 Preston Avenue, Suite 200 Charlottesville, VA 22903 RE: CBNLT / Oak Grove - Nutrient Credit Availability Project Reference: Keswick Hall and Golf Club Attention: Mr. Allison: This letter is to confirm the availability of authorized Nutrient Credits sufficient to meet your project requirements at our Oak Grove nutrient facility, which is registered with the Virginia Department of Environmental Quality (DEQ). These Nutrient Credits are generated and managed under the terms of the Oak Grove Nutrient Reduction Implementation Plan dated May 11, 2017 which was authorized by the DEQ on August 31, 2017. The Oak Grove project has been authorized to provide Nutrient Credits for use in the James River watershed. These Credits are transferable to those entities regulated under DEQ's Stormwater Management Program in accordance with VA Code § 62.1-44.15:35. Currently our Oak Grove facility has 38_16 pounds of Phosphorus Credits available. If we can provide further assistance please feel free to contact our office. Sincerely, Chesapeake Bay Nutrient Land Trust, LLC By Its Manager EarthSource Solutions, Inc. SCOWA. Reed Scott A. Reed Vice President Chesapeake Bay Nutrient Land Trust, LLC. • 5735 S. Laburnum Avenue • Richmond, VA 23231 P: 804.222.5114 • www.cbnit.com DEQ Virginia Runoff Reduction Method Re -Development Compliance Spreadsheet - Version 3.0 0 2011 BMP Standards and Specifications 0 2013 Draft BMP Standards and Specifications Project Name: Keswick Hall - Spa Postdeveloped Date: 9/10/2020 Linear Development Project? No Site Information Post -Development Project (Treatment Volume and Loads) Enter Total Disturbed Area (acres) 2.02 Pre-ReDevelopment Land Cover (acres) A Soils BSoils CSoils DSoils Totals ForestlOpen Space (acres) - undisturbed, protected forest open space or reforested land 0.59 0.59 Managed Turf (acres) -disturbed, graded for yards or other turf to be mowed/managed 0.86 0.86 Impervious Cover (acres) 0.57 0.57 2.02 Post -Development Land Cover (acres) A Soils B Soils C Soils D Soils Totals Forest/Open Space (acres) - undisturbed, protected forest/open space or reforested land 0.00 Managed Turf (acres) -disturbed, graded for yards or other turf to be mowed/managed 1.08 1.08 Impervious Cover (acres) 094 0.94 Area Check OK. OK. OK. OK. 2.02 Constants Annual Rainfall (inches) 43 Target Rainfall Event (inches) 1.00 Total Phosphorus (TP) EMC (mg/L) 0.26 Total Nitrogen (TN) EMC (mg/L) 1.86 Target TP Load(lb/acre/yr) 0.41 Pj(unitless correction factor) 0.90 Runoff Coefficients (RA data input cells constant values calculation cells Check BMP Design Specifications List: 2013 Draft Stds & Specs Linear project? No Land cover areas entered correctly? Total disturbed area entered? A Soils B Soils C Soils D Soils Forest/Open Space 0.02 0.03 0.04 0.05 Managed Turf 0.15 0.20 0.22 0.25 Impervious Cover 0.95 0.95 0.95 0.95 Land Cover Summary -Pre Pre-ReDevelopment Listed Adjusted' Forest/Open Space Cover (acres) 0.59 0.22 Weighted Rv(forest) 0.05 0.05 %Forest 29% 13% Managed Turf Cover (acres) 0.86 0.86 Weighted Rv(turf) 0.25 0.25 %Managed Turf 43% 52% Impe rvious Cover (acres) 0.57 0.57 Rv(impervious) 0.95 0.95 %Impervious 28% 35% Total Site Area (acres) 2.02 1.65 Site Rv 0.39 0.47 Treatment Volume and Nutrient Load Pre- ReDeve lopment Treatment Volume (acre-ft) 0.0655 0.0640 Pre- ReDevelopment Treatment Volume (cubic feet) 2.KS 2,786 Pre-ReDevelopment TP Load (lb/yr) 1.79 1.75 Pre-ReDeve) o pment TP Load per acre (lb/acre/yr) 0.89 LDfi Base I i ne TP Load (I b/yr) (0.41 Ibs/acre/yr applied to pre -redevelopment area excluding pervious land proposed for new impervious cover) 0.68 lAdjusted Land Cover Summary: Pre ReDevelopment land cover minus pervious land rover (forest/open space or managed turf) acreage proposed for new impervious cover. Adjusted total acreage is consistent with Post-ReDevelopment acreage (minus acreage of new impervious cover). Column 1 shows load reduction requriement for new impervious cover (based on new development load limit, 0.41 lbs/acre/year). Land Lover Summary -Post (Final) Post ReDev. & New Impervious Forest/Open Space Cover (acres) 0.00 Weighted Rv(forest) 0.00 %Forest 0% Managed Turf Cover (acres) 1.08 Weighted Rv (turf) 0.25 %Managed Turf 53% Impervious Cover (acres) 0.94 Rv(impervious) 0.95 %Impervious 47% Final Site Area (acres) 2.02 Final Post Dev Site Rv 0.58 Final Post - Development Treatment Volu me 0.0969 (acre-ft) Final Post - Development 4,222 Treatment Volume (cubic feet) Final Post - Development TP 2.65 Load (lb/yr) Final Post -Development TP Load per acre 1.31 (Ib/acre/yr) TP Load Reduction Required (lb/yr) Land Cover Summary -Post Post-ReDevelopment Forest/Open Space 0.00 Cover(acres) Weighted Rv(forest) 0.00 %Forest 0% Managed Turf Cover 1.08 (acres) Weighted Rv (turf) 0.25 %Manad Turf ge 65% ReDev. Impervious Cove r(acres) 0.57 Rv(impervious) 0.95 %Impervious 35% Total ReDev. Site Area 1.65 (acres) ReDev Site Rv 0.49 Treatment Volume and Nutrient Load 1.10 Nitrogen Loads (Informational Purposes Only) Post-ReDevelopment Treatment Volume 0.0676 (acre-ft) Post-ReDevelopment Treatment Volume 2,946 (cubic feet) Post-ReDevelopment Load (TP) 1.85 (Ib/yr)` Post-ReDevelopment TP Load per acre 1.12 (Ib/acre/yr) Max. Reduction Required (Below Pre- 20% ReDevelopment Load) Land Cover Summary -Post Post -Development New Impervious New Impervious Covert 0.37 (acres) Rv(impervious) 0.95 Post -Development Treatment Volume 0.0293 (acre-ft) Post -Development Treatment Volume 1,276 (cubic feet) Post-Deve lopment TP Load (Ib/yr) 0.80 TP Load Reduction TP Load Reduction Required for 0.45 Required for New 0.65 Redeveloped Area Impervious Area (lb/yr) (Ib/yr) Pre -Re Development TN Load Final Post -Development TN Load (Ib/yr) 12.82 (Post- good velopment&New 18.98 Impervious) (lb, Site Results (Water Quality Compliance) Area Checks FOREST/OPEN SPACE (ac) IMPERVIOUS COVER (ac) IMPERVIOUS COVER TREATED (ac) MANAGED TURF AREA (ac) MANAGED TURF AREA TREATED (ac) AREA CHECK D.A. A D.A. B D.A. C D.A. D D.A. E AREA CHECK 0.00 0.00 0.00 0.00 0.00 OK. 0.08 0.00 0.00 0.00 0.00 OK. 0.08 0.00 0.00 0.00 0.00 1 OK. 0.00 0.00 0.00 0.00 0.00 1 OK. 0.00 0.00 0.00 0.00 0.00 OK. Site Treatment Volume (ft3) 4,22z Runoff Reduction Volume and TP By Drainage Area RUNOFF REDUCTION VOLUME ACHIEVED (ft3) TP LOAD AVAILABLE FOR REMOVAL (lb/yr) TP LOAD REDUCTION ACHIEVED (lb/yr) TP LOAD REMAINING 124 0 0 0 0 124 0.17 0.00 0.00 0.00 0.00 0.17 0.10 0.00 0.00 0.00 0.00 0.10 0.07 0.00 0.00 0.00 0.00 0.07 NITROGEN LOAD REDUCTION ACHIEVED (Ib/yr)11 0.73 0.00 0.00 0.00 0.00 0.73 Total Phosphorus FINAL POST -DEVELOPMENT TP LOAD (lb/yr) 2.65 TP LOAD REDUCTION REQUIRED (lb/yr) 1.10 TP LOAD REDUCTION ACHIEVED (lb/yr) 0.10 TP LOAD REMAINING (Ib/yr): 2.55 REMAINING TP LOAD REDUCTION REQUIRED (lb/yr): 1.00 Total Nitrogen (For Information Purposes) POST -DEVELOPMENT LOAD (lb/yr) 18.98 NITROGEN LOAD REDUCTION ACHIEVED (Ib/yr)11 0.73 REMAINING POST -DEVELOPMENT NITROGEN LOAD (lb/yr) 18.25 Total Rainfall (in): I43 Total Disturbed Acreage: 2.02 Site Land Cover Summary Pre-ReDevelopment Land Cover (acres) A soils B Soils C Soils D Soils Totals % of Total Forest/Open (acres) 0.00 0.00 0.00 0.59 0.59 29 Managed Turf (acres) 0.00 0.00 0.00 0.86 0.86 43 Impervious Cover (acres) 0.00 0.00 0.00 0.57 0.57 28 2.02 100 Post-ReDevelopment Land Cover (acres) A soils B Soils C Soils D Soils Totals % of Total Forest/Open (acres) 0.00 0.00 0.00 0.00 0.00 0 Managed Turf (acres) 0.00 0.00 0.00 1.08 1.08 53 Impervious Cover (acres) 0.00 0.00 0.00 0.94 0.94 47 2.02 1 100 Site Tv and Land Cover Nutrient Loads Final Post -Development Post- Post Adjusted Pre- (Post-ReDevelopment Development & New Impervious) ) ReDevelopment (New Impervious) ReDevelopment Site Rv 0.58 0.49 0.95 0.47 Treatment Volume (ft3) 4,222 2,946 1,276 2,786 TP Load (lb/yr) 2.65 1.85 0.80 1.75 Total TP Load Reduction Required 1.10 0.45 0.65 (lb/yr) Final Post -Development Load (Post-ReDevelopment & New Impervious) Pre- ReDevelopment TN Load (lb/yr) 18.98 12.82 ----------------------------------- Site Compliance Summary Maximum % Reduction Required Below Pre-ReDevelopment Load 20/ Total Runoff Volume Reduction (ft3) 185 Total TP Load Reduction Achieved (lb/yr) 0.14 Total TN Load Reduction Achieved 1.05 (lb/yr) Remaining Post Development TP Load (lb/yr) 2.51 Remaining TP Load Reduction (lb/yr) 0.96 Required Pre- Final Post- Post-ReDevelopment ReDevelopment Development TP Load TP Load per acre TP Load per acre per acre (lb/acre/yr) Ib acre r Ib acre r 1.06 1.31 1.12 , U CRA1G W J. KOTARSKI Lic. No. 0402048507 M E C) CN b N m N c > E W E W ut � 3: + Q .. tj � LL. LL -2 Lu i n �O r ti d j U W J - Ln d i CD N in (FLU N z F °+)-,I- (n ,X CE LL. 0 Q M 3. t n = ac)N 2U >Ln ko � a c Lri rn O N a`)) i M CL tt 00 J C)LU VS of O 2 ('D O iY 2 H LU W W_ 2 U Q Z O_ (n of O H O O ti ti m m V) (f) Z Z W LLI z0 C) a Z Z IY Q Q LLI Z OW W > W LZLI Z Z QQ zz as [--Z 1-Z �i ;:04 O O O O N N W O � N O O � DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE AS SHOWN Q M J J Q U I� Vl w JOB NO. 40241 SHEET NO. C6.4 a° d MO aM O O CL a/ z a O �Z 02 C � E° ° a) C C 0 � ao O c at 0 3 U) Z w O aa) 2 n a) at at o O 0 o 3 N c N Y V) X c a/ o at ti L Virginia Stormwater Management Handbook, Chapter 9 July 2013 Virginia Stormwater Management Handbook, Chapter 9 July 2013 L.� 18' PARKING (REFER TO SHEETS C4.00 FOR LOCATION) se is se se •• d■ • • is 110 Irl IN al El IMMUNE 4"21B STONE PVC UNDERDRAIN PIPE PERMEABLE PAVERS SECTION - LEVEL 1 No Scale GEOTEXTILE FABRIC (TENAX MS220B OR EQUIVALENT) ��// a PERMEABLE \\ SETTING BED AGGREGATE \� \ 4" 21 B STONE 9.75" #57 STONE COMPACTED SUBGRADE SLOPE TO UNDERDRAIN 9-C.8.0. PERMEABLE PAVEMENT: O&M CHECKLIST Inspection Date Project Site Plan/Permit Number Location Date BMP Placed in Service Date of Last Inspection Inspector Owner/Owner s Representative As -Built Plans available: Y / N Facility Type: Level 1 Level 2 Ideally, each permeable pavement installation should be inspected in the Spring of each year, especially at large-scale installations. Z ? Z Y Elemant of C, C_ Who Will BMP Potential Problem E .mod. tg v How to Fix Problem Address Comments m m Problem W L i c � There is excessive Remove immediately. Owner or trash and debris professional Contributing There is evidence of erosino and/or bare or Stabilize immediately. Owner or Drainage Area exposed soil professional There is excessive Owner or landscape waste and Remove immediately. professional yard clippings Check that tree roots have not penetrated the pavement and leaf residue has not Adjacent Trees and shrubs are clogged the pavement. Owner or Vegetation within 5 feet of the within Vegetation that limits access Professional surface or interferes with the permeable pavement operation must be pruned or removed. There is excessive trash, debris or Remove immediately Owner or Inlets, Pre- sediment Professional Treatment accumulation Cells and Flow There is evidence of Owner or Diversion erosion and / or Stabilize immediately professional Structures exposed soil Clean out sediment or Evidence of clogging debris. Remove and wash or Professional replace stone, as needed Eliminate standing water and establish vegetation; treat for mosquitoes as needed. If Pavement sprays are considered, then Owner Mosquito proliferation use a licensed pest professionor al onal controller to apply an approved mosquito larvicide (only if absolutely necessa 9-C-22 L DEQ Spec. Na 7 & PFM 6-1304 Project Nemeit a�irsirllr an Firm- _6o. Plan Number 31d Pany Inspection Firm. L I _ sire Addni -- Pm1y I rlspettofs Name: J Latitude/ Lnngitlitle: 'N 'W COMeLl hda/Phone NurMer. BMP ID Number as shown on plan and general location on the site 'IJ J • A certification Is required for all SW MBMP facilities under PFM 6.1300 at. seq. • A Virginia licensed professional engineer or licensed professional meeting the exemption regtlirefeents of thlb- Code of Virginia §54.1-401 must s'gn Ihti_rj{!p3fion at the end of this checklist Instructions - -� • Check each item as complete, or write in "N/A' for those items that are not applicabe t • Fill in blanks for requested information on dimensions, materials, etc. • Provide one or more photos for applicable items; eheckboxes indicate items that require photos. Pre -Installation Meeting and Site Preparation CHECK PHOTO I DESCRIPTION DATE OF INSPECTION) COMMENTS ❑ Pre -Installation Meeting with - - -contractor designated to install the facility - 3rd party inspector (or designee) A review of checklist and tentative schedule for interim Inspections and skin -offs has been discussed ❑ Contributing drainage areas are stabilized and not eroding. ❑ ❑ StomwrMer runoffs dreaded around the excavation area to a stelegicl d conveyanc& Excavation CHECK PHOTO ESLPoPIION DATE OF INSPECTION I COMMENTS ❑ .0a.mal IOCSIbrtaraMP le b xcordiirce with the approved plans. ❑ Subgrade surface free of Rocks, roots, addderge voidsvoids maybe filled with base aggregate.) ❑ For level 2 permeable pavement: Excavation boitotd is scardled.I ❑ Na groundwater seepage or standing water Is present. Any .landing water is rimatured to an acceptable dewatering device, and the design consultant has been notified. ❑ ❑ Excavation of facility has achieved proper elevations and grade per approved plans. Filter Layer and Underdrain Placement CHECKPHOTO _ _ DESCRIPTION DATE OF INSPECTION; COMMENTS ❑ All aggregates (stone, sand, etc., as required) are clean, washed, and conform to specifications. ❑ ❑ Perforated underdrain sae and spacing per approved plans. Pipe Diameter_ Inches Material PIP.Spacing _h. Slope_ Perforation Size/Spacing It. ❑ Filter layer and initial reservoir layer aggregates spread(not dumped) to avoid aggregate segregation per approved plane[. --L—]7 Depth of er layer fL ❑ Impermarable liner (when required) is placed in accordance w = manufacturer specifications, per approved plans.. ❑ Underdrain, observation well(.), and underdrain ratings (45' wyes, cap at upstream end, etc.) installed per approved plans. N umber of Observation wells Page 1 of 2 Stabilize immediately. Mow, irrigate and apply organic There is evidence of (not chemical) fertilizer, as erosion and / or bare needed to keep grass Owner or or exposed soil in grid healthy and dense enough to professional provide filtering while paver areas protecting the underlying soil. Remove any grass clippings. There is loose Remove immediately and material (e.g., bark, vacuum sweep the area to Professional sand, etc.) stored on prevent clogging the the pavement surface pavement pores. Pavement is stained The surface must be kept and/or dogged or clean and free of leaves, water is ponded, debris, and sediment by Pavement indicating the vacuum sweeping (without Surface pavement is not brooms or water spray) draining properly. immediately and, otherwise, Measure the at a frequency consistent arewdown rate In the with the use and loadings observation well for encountered (at a minimum, three (3) days annual dry -weather following a stone sweeping in the Spring). Professional event that exceeds Where paving blocks are 1/2-inch of rain. I f installed, the sweeper must standing water i still be calibrated so it does not observed in the well pick up the stones between after three days, this the paver blocks. Following is a clear sign that the the vacuum sweeping, test pavement is clogged. pavement sections by There are significant pouring water from 5 gallon amounts of sediment buckets, to ensure proper have accumulated drainage. between the pavers. There is evidence of surface deterioration,Structural Repair or replace affected Integrity such as slumping, areas, as necessary. Professional creating, spelling or broken pavers. Observation Is each observation Repair, as necessary. Professional Wells I well still capped? Outlets are obstructed Remove obstructions and Outlet or erosion and soil stabilize eroded or exposed Owner or exposure is evident Professional below the outlet. areas 9-C-23 0 �'�Par�tyMonstruction Inspection Cil eclilist and t;ef iitltcavoll Permeable Pavement bEQ Spec. No. 7 & PFM 6.1304 Stone Reservoir Aggregate PlacemenLt-] CHECK PHOTO OESLNIPTION DATE OF INSPECTION/COMMENTS Sides covered with paotaMila with no ten, heba, or excessiv wrinkles. ❑ ❑ Stone reservoir layer aggregate play wk compaction, and thickness, are perapproved plans. Depth of natrrvok layer aggregate Inches Bedding Layer and Pavement Installation CHECK PHOTO DESCRIPTION DATE OF INSPECTION/ COMMENT -S ❑ ❑ Pre-treatment structures (when required) are installed Part approved plans. Type of pretreatment ❑ Concentrated Row is not being dlschamed direct�omo the` permeable pavement r ❑ Pavement surface is even and runoff spreads weely across surface. ❑ Flow reduction orifice or cap placed ant a eF -en o l a pavement underdmin per approved plans. LI ❑l. Permeable pavement block systems which require edge restraints are installed flush with line paver blocks per approved plans. Size of Edge Restraints_ Type of Edge Restraints GL Aggregate layer far the installation of the underdrain system is 1 1 per approved plans. �epib_pf �pgregate layy� fL �SLW pogo ga4layea ❑ Signs Installed par PFM 64304.3e ❑ For porous asphalt and pervious connate pavement, the full psmeabllily, of paved aurface has been properly tested )clean water applied at a rein, rote of 5 gpm over the entire surface), and all water inhibited directlywithout puddle formation or surface mnoR. I Ll ❑ Provide a photo of the OMP facility anal completion of cunt xetion. Final Certification C� I do hereby certify that this as -built inTDrmal for the storrnwater management/BMP Facility was inspected by me (or byL an individual under my responsible charge) and conforms to the approved plans, except as indicated) k Dal License Number ea ("Certify" means to state or declare a professional opinion based on sufficient and appropriate onsite inspections anal rmaterial tests conducted during construction). Nat aft VA DEQ STORMWATER DESIGN SPECIFICATION NO. 7 9.3. Maintenance Inspections It is highly recommended that a spring maintenance inspection and cleanup be conducted at each permeable pavement site, particularly at large-scale applications. Maintenance of permeable pavement is driven by annual inspections that evaluate the condition and performance of the practice. The following are suggested annual maintenance inspection points for permeable pavements: • The drawdown rate should be measured at the observation well for three (3) days following a storm event in excess of 1/2 inch in depth. If standing water is still observed in the well after three days, this is a clear sign that clogging is a problem. • Inspect the surface of the permeable pavement for evidence of sediment deposition, organic debris, staining or ponding that may indicate surface clogging. If any signs of clogging are noted, schedule a vacuum sweeper (no brooms or water spray) to remove deposited material. Then, test sections by pouring water from a five gallon bucket to ensure they work. • Inspect the structural integrity of the pavement surface, looking for signs of surface deterioration, such as slumping, cracking, spalling or broken pavers. Replace or repair affected areas, as necessary. • Check inlets, pretreatment cells and any flow diversion structures for sediment buildup and structural damage. Note if any sediment needs to be removed. • Inspect the condition of the observation well and make sure it is still capped. • Generally inspect any contributing drainage area for any controllable sources of sediment or erosion. An example maintenance inspection checklist for Permeable Pavement can be accessed in Appendix C of Chapter 9 of the Virginia Stormwater Management Handbook (2010). Based on inspection results, specific maintenance tasks will be triggered and scheduled to keep the facility in operating condition. ; ems?, L-x� �%� `>1a U CRAYG W 7, KOTARS I Lic. No. 0402048507 M E O IT C) N ('14 > E w q3 E LU Q U.U. 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KOTARSKI H/TEOAKktIABLE WID \ \ \ \ \ ` - - - \ • SCALE �\ \\ \\ \\ �\ \ -41s____ •.___ /� ��\ / /r / - - ANENTST'\-- \\ \r \^ \ \ 7J�\\ ��\ \ _ �— \__ / %,l IIII / // / M \ \ , I , \ \ GEMENT FA I TY MF�NT - - - / II • 1"=20' 20'WHIIE OAK \ -_� yf-��j/ /��IIII /, / / -_ _ __-`\ .�\ - ..v •� \ 5�68 PG 0603- 0 2 \ \\ I �_ \ / e_20'WHITf`0AK_ /j / / // / ,, \ ..\ \\ G 0613\ . . -\\ I,\•PROPOSES \': \�.` / , \ Glw�6„WHITE O�, IC ��\ \\ \ -Z- I /%, /,/ / /SPA//\� \ �N... 1I I111 \ G ^\ \\ \ ^435- 14 WHITE OAK, / / / 7 ,' / % I. 1 I Ij \ \ 111 I \ c - \\ 24"WHITEOAK 8"WHITE OA,( 12"WRITE OAK \ C \ 1J 5 \ \ 14" WHITE OAK \ - / \ \ \ 24" WHITE 074K \ ` OAK /DUOUS / \ \ \ \ ` \ ` - 6 _ \ \ ` \ 14" WH/TE9ALC \ \ \ I - - \ \ \ 41y - \ \ \ \ / / / 20lPERMANENT,STORMWATER \ \ \ \ v \ \ \ - 14�WLlITEOAK \ ` \ \ ` \ ` I J / ' /' /MANAGEMENT FACILITY EASEMENT 24" WH'.(TE OAK - _ , L DB 05368 B60603-00612 - \ \ \ \� I \ , ' / \ 27"WH/TEOAK \1a�wrlE \ 4'8, \ \ \ ,\\ \ \ 9\ Y , \ , DB 05369 PG 0613-00619 - _ _ \ \ \ \ \ / w \I \ \ \+` q2q / \/ / / LJ a 1 \20"DE�I I I \ \ 1 w 4"�IQUOUS 41p ` \ _ \ ` \ \ \ -1 - 423 / I 1 \ 42o I 6"M,4PLE 1 1 1 -\ \ I \ , \ 16"P/NE \ \ - - \I \ \ 1 / - 1 r _ - _ _ _ '�,- w I I \ "DECIDUOUA \ \\ I 1 y / Lu -$fb, WHIT€104\K\ l42-k51 10"rbIAPL 1 II \\ \\\ I\ 2"W-t)AK- -� i/ 6"P/NE Q cn / - ` � \ 12"DECIDUOU5 \\\ \\\\ \ \ I �\ / , / I _I I \ \ \ /% ` / W �L \:y W\ ' • \ 1 \ \ \\\ \ \ - 1 , \\ /\ / 15"MAPLE I I \ \ -" r -432�' �'�` �� IV 10"MAPLE\\ `r - _ _ LA / / / \ _\ \ \ UPS "WHITE OAK I l \ ,' v, z �I WETLANDS _ _ \\ \ \\ \\ , - _ , - 10"DECIDUOUS \ \ 414-1 ♦`��\1 � _ , J \ \ I \ � \\ \` / � / / / \ \ \ / 15"WHITE OAK \ �\ / I \ I V.) I 4/ .y ' ' .I ` - - `' - - - ` \ _ 1�arc/DuoOS ;/ / W O BUF - / 1 _ -- -- — _ � \ -� _ �'�^ B"MAPLE I 67 \ / ) "MA E % I 1 \ I \ \ W � \ - _ \ -' 1 - - 12"HI/�T�Gt1.C� / \ / I ^\ -fi2"MAPLE I \ `\ / Q > Q \ \ / \ _ \ \ \ / ' I 1 \ I \ I \ ) ( 1 s" WHITE OAK \ \ / 413' _ _ fa D CIDUOUS, \ , , 1 I / \ y - \ LL €- ' 11 _ _ - OAK \ I I I I \ \ \ \ l \ \ \ \ I , - �5" WHITE bAK I /S1-12'-'DEC1D`uOUS .412--- \ / \ \ ,'\ - - -- \ 10"DEC 1 II I /\/ \ \ \ :11Q" DECIDUO S \ \O`1/ `Y W / `1' `1' \\ .I/ .y \ \ \ \ 1% EXTENT OF\ I I \ � ,N � \ \\ \ \ ` — 28=WHITE OAK I I- 10"D IDUOUS i DECI CTOU,S�, v W - \ \\ \ \ 50'Vl(PO � / / \ � � _ BAMBOO \ I\ I\ �// \ � � � _ _ _ � a\ 1 sc, \ y \ 1 \\ 10 DECIDUOUS V J y 'QY \ \I, k _ �l y / \ BUF)78R I \ �r \ .� � \ z l \ \ SL�TRACk / \ ` \ \ - \ / 1 \DEIDUOUS \ 26" WHITE OAIK \ �� o ITE OlK 12"WltlITE OAK \ \ 12"DEC/IDUOUS \ 14" WHITE OAK I _ / 5" WHITE OAK _ \ \ \ I \ p2Lu " WHITE OAK / \ \ % 15" WHITE OAK \ \ \ \ \ , \ i / / I \ 1 \ / \ m S"WH/TEO v • J 4"RECID OUST - \ 4"WHITE OAK Q J l l \ \ \ \ \ 1 \ / 6" h H � �„ MAPLE � 1 � \ \ \ � Z i'l,' \ 10" DECIDUOUS - \ \ \ \ \ / - ' \ ` \ 26" WHITE OAK J/ J/( J/x, \11 �Y �Y \ 1 \ \ I / \ - 15"WHITE OAK / \ \ I - - 7"4ECID000S 8" TE OAK / \ , \ 4- / 420r \ ( \ / / 12 DECIDUOUS \ \ `U\ / \ \ -- / 20�WHlTE OAK 6"DECID6l0!/S I \ �Y \ y �L 6"DECIDUOUS / \ \ \ \\ / / \ _ \ r „ I�HITE A 1 \ , / 110"DECIDUOUS I ` ` 1 ' ' 7" DECIDUOU Lu \ \ \ \ 1 \ \ \ \ \ ^ ` / I 20"DECIDU - I ` / / I I \ l - 15"PINE( _ / `1' \ �L I , yi , \ \L \ \ I /\ \) , `\) \ I \ 4.'DECID000S 26"WHITE OAK 10"DECIDUOUS 18"DEC/DTOVS \ \ \ \ 1 \ \ 1 \ 1 \ \ \, 10" WHITE OAK \ \ 1 l \ \ \ \ \ \ I JL / "�L r \Y \ y / \ \ r - I a'� \ / I I / / I / y 6"DECIDUOUS 6"DECIDUOUS \ I EXTENT OF BAMBOO O S4"DECIDUOUS I I \ I 28" WHITE OAK ` `\ \ ` \ \ \\ \ ` \\ \\ \\ /\ / / / `1' �L �L\ \ \ I ]Y — - / •. / 24"DECIDUOUS \ \ \ \ / / / 1 5" DEC/DUOUS DECIDUOUS \ \ \ \ \ \ \ \ \ \ \ 14"JOB NO. •WHITE OAK \ \ ` \ \ ` \ \\ \ \ \`\`j \ `\ \ \ \ \ \ ` \ - - �y \ \ ✓ \ \ <\ z SCALE 1"=20' 40241 co 0 20' 40' 0 SHEET NO. \ �\ Q Z C6.6 \ \\ L 134: 8" NYLOPLAST BASIN - DOME GRATE STA 10+14.75 TOP 417.68 INV OUT 414.33 (133) A9r PROPOSED GRADE Z_ ¢ Z Z p m m 0& _ Z (n N U N O �L1 p LL7 - � ca J N �- v v[INV 118: DI-3C 6ft Throat 0 cn V O �- o M M a 0) a � ~ tw OME GRATE r m 0 � m n O w o O w O rn N riSTA 11+86.89 F M N rn 132: 12" NYLOPAST BASIN - 0, J H O co J H M O M O Oi �"TOP 428.57TA 10+00.00 M M co M co ;n n M M x ¢ N N � ¢ m N U > m cri ui V rn ri 108A: 12" NYLOPLAST BASIN - o n DOME GRATE u� 0 0 O^� ON cO4 M'Tc6NN NF TOP 427.48 OOI�N NNNNv onvvvv Z O z of n N N a a aINV IN 423.37 (119) U co c; v SOLID COVER N N STA 10+00.00 N C�+cl� (2+0� .25(8"HDPE) M+oNF =+C14 +,��a C4 O M p iv o c"> > o V z z_ z_ O IN 423.71 (127) O M a STA 10+00.00 O N Z TOP 416.71 ' o I wv0�w�ZO ¢.25(6"HDPE) p�az ��az-0 p�azzz0 N OHO> O F O > > N � FO z z z zINV IN 424.90 (129)23.92 115A ¢ o - O TOP 428.42 ¢ a > > > INV IN 414.33 (6" ROOF LEADER) ¢ 0_ > > > > 4 p cn N 0 U F Z z INV OUT 423.27 (117)( ) ~ O z z INV IN 424.73 (8" HDPE) o U) z INV IN 414.33 (6" ROOF LEADER) � c~p�U ~--INV OUT 423.02 (107A) INV OUT 414.23 (131) 440 440 440 435 435 425 435 435 EXISTING PROPOSED GRADE GRADE � i 430 430 3' MIN. i i 723 425 12y�p F 425 E 1 @ 3 0p/ 121 7 OF 1 .53' 15' HDPE 3.05' 119 37.05' OF 117 2.69% 8,, HDPE 85 68, OF 420 1.00° 18" HDPE 4 0 1.00% CONCRETE DUCT BANK 6" FIRE LINE SSWR 1-2 415 415 9+50 oce)m� u ,U,) c � (0r4.444 Soor°vvvZ) Es tzzz0 6<(L o U) z Agri EXISTING GRADE 420 420 415 415 133 1 .86' OF 8' HDPE @ 1.00% 41 4410 405 405 400 400 9+5+50 STR 134 - 106 HORIZ SCALE: 1 "=50' VERT SCALE: 1 "=5 10+00 11+00 12+00 STR124 - SWM3 HORIZ SCALE: V=50' VERT SCALE: 1"=5 WEIR PLATE- SWM3 180 LF 60" CMP TOP: 427.00' BOTTOM: 422.00' - 106: DI-1- STA 11+13.66 TOP 418.75 INV IN 414.07 (107) INV IN 414.07 (131) INV IN 414.13 (133) INV OUT 413.97 (105) 108: MH-1- STA 10+55.93 TOP 428.29 INV IN 422.76 (107A) INV IN 420.32 (109) INV OUT 416.96 (107) 435 SWM3 180 LF 60" CMP PIPE INFO. AT THIS LOCATION TOP: 427.30' BOTTOM: 422.30' EXISTING GRADE 435 435 PROPOSED GRADE 430 430 K425 425 115A 38.97' OF 42012" HDPE 420 @ 1.00% 115 27.00' OF 12" HDPE @ 1.00% 415 415 SWM3 180 LF 60" CMP PIPE INFO. AT THIS LOCATION TOP: 427.17' BOTTOM: 422.17' PROPOSED GRADE 430 430 EXISTING GRADE 3' MIN. 425 425 107A 22.33' OF 4 42 420 @ 1.15% PROVIDE z' STEEL PLATE ON MH FLOOR 415 415 410 410 13+00 13+50 9+50 10+00 11+00 11+50 STR116A - SWM3 STR108A - STR108 HORIZ SCALE: V=50' HORIZ SCALE: V=50' VERT SCALE: 1 "=5 VERT SCALE: 1 "=5 it = w O p ur N W n 2 J d W O cLi 0 0 c O M �• (O •-• = O ' C? O N 104: MH-1 O � M M N L� N M N 0 mR O t0 n STA11+50.61 c+oNSN NCI It TOP418.49 g�vz z Lu p w M�Z Paz INV IN 413.60 (105) oF0>>> oFa> INV OUT 413.50 (103) UFz ? z UFz 435 PROPOSED GRADE 430 \ 430 425 425 \ EXISTING _ t GRADE \ [FO NDATION 420 S 109 . PROP. DRAIN 420 18 1yD GAS @ OOpF LINE \ n \ \ 415 PROVIDE 2' 57.7 ' OF Ad STEEL PLATE 18" DPE ON MH @ 5 00% .5 71'-37 FLOOR MIN. 101 1 53.02' F 410 "HD E WATER LINE 105 116.56' OF @ 1.00 6.95' OF 24" RCP 4" HDPE @ 1.00% @ 1.00% 405 405 SWM3 - STR100 HORIZ SCALE: 1"=50' VERT SCALE: 1"=5 z m wp ( U) co io co awo co 0QO `CO N zof oouiv 0+o6,"rF cow�azp a o- N p U Z Z 430 120: DI-3C 6ft Throat STA 10+03.98 TOP 428.57 INV IN 423.84 (121) INV IN 423.84 (125) INV OUT 423.74 (119) 430 430 PROPOSED GRAD 425 EXIST NG 425 GRAD O 420 125 420 3.98' OF 12" HDPE @ 1.00% 415 415 410 410 9+50 10+00 1„+50 STR126 - STR120 HORIZ SCALE: 1"=50' VERT SCALE: 1 "=5 425 EXISTING GRADE 420 420 PROPOSED GRADE 415 415 131 6.51' OF 1 " HDPE 0.60% 410 410 405 405 400 400 9+50 10+00 11+00 11+50 STR132 - STR106 HORIZ SCALE: 1"=50' VERT SCALE: 1 "=5 z Q m U) :571 N 118: DI-3C 611 Throat o_ OLUC, o STA 10+31.21 ~ O ,n N TOP 428.57 z oCF INV IN 423.37 (119) cli w C)N INV IN 423.71 (127) F a0 INV IN 424.90 (129) N O p U F Z INV OUT 423.27 (117) PROPOSED GRADE 430 430 PROPOSED EXISTING GRADE GRADE 425 425 127 31.21' OF 12" HDPE 1.5' @ 1.00% % 420 420 SWR 2-3 415 415 410 410 9+50 10+00 1„+50 STR128 - STR118 HORIZ SCALE: 1"=50' VERT SCALE: 1 "=5 435 435 PR POSED EXISTING GRADE GRADE 430 430 STORM PIPE 115 3' STORM PIPE 113 425 425 420 117 WEIR PLA E, 420 85.68' OF INV. OUT 422.00 18" HDPE @ 1.00% 60" CIV P, SLOPED 0.3 % TOWA RD WEIR PLAT 415 415 410 410 9+50 10+00 11+00 CMP STORAGE PIPE HORIZ SCALE: 1 "=50' VERT SCALE: 1 "=5 z U) ui m d� U)�� g cogawo OQOO N �Oto Z (9 + - F 0owI'tZ0 a o_ - M p U Z Z I118: DI-3C 6ft Throat STA 10+04.04 TOP 428.57 INV IN 423.37 (119) INV IN 423.71 (127) INV IN 424.90 (129) INV OUT 423.27 (117) aqn Aqs; EXISTING GRADE 425 425 420 129 420 4.04' OF 12" HDPE @ 1.00% 415 415 410 410 9+50 10+00 10+50 STR130 - STR118 HORIZ SCALE: 1 "=50' VERT SCALE: 1 "=5 � M 0 H 0' O o ui Uo0?v M + O H o0aZ) O �FO> U H z d'Ar EXISTING GRADE 430 430 425 42 113 8.98' OF 12" HDPE @ 1.00% 420 42 415 415 12+00 PROPOSED GRADE SWM3 180 LF 60" CMP PIPE INFO. AT THIS LOCATION TOP: 427.03' BOTTOM: 422.03' }50 10+00 10+50 STR114 - SWM3 HORIZ SCALE: 1 "=50' VERT SCALE: 1 "=5 0 5 PROFILE SCALE U CRAYG WJ, KOTARSKI Lic. No. 0402048507 M E O 0 U N � N 0 > E w c, E W N QM 3 p U. o w O c5 of W t M d J U W uj n W N N v � } z '1- =x Q U d ce p Q = V c cn U a� N = U > Ln H ¢ c Ln Nrn N � M n It 00 J C) Lu 00 ti ti ca en V) V) zz z G G p Q O 0 z z � QQ U O O p z \ \ OW W > W W Q Q 2 Z C a 00zz O O N w S N N \ O O \y DATE 111912020 DRAWN BY C. GAYNER DESIGNED BY A. ALLISON CHECKED BY C. KOTARSKI SCALE 1 "=50' d 0 0 m 3 0 n n c m 0 v m N m 0 c m r c m E n c 0 m 0 F L f" JOB NO. 40241 SHEET NO. C7.1 MATERIALS LEGEND WALLS, STEPS, STRUCTURES a 10 0 46 6 (V 0 (V C7 (V Q O U O LL C Q) a LL 0 i 0 Q 0 UI C) 0 W 0 L V)I ch 0 i n Q U 0 vl 0 i N O L IZ U 0 0 0- NI 0 10 0 0 V) PAVING TYPE PAVING FINISH/PATTERN DETAIL NOTES ASPHALT - VEHICULAR -- -- SEE CIVIL DWGS FOR NOTES & DETAILS CONCRETE CURB - VEHICULAR SEE CIVIL DWGS FOR NOTES & DETAILS REINFORCED TURF SEE CIVIL DWGS FOR NOTES & DETAILS TILE PAVING -- 2/1-2.00 -- CONCRETE - PEDESTRIAN MEDIUM BROOM 142.00 INTEGRAL COLOR 'UVA CANVAS' FINISH STONE PAVERS ON SLAB THERMAL 5/1-2.00 COLDSPRING'CHARCOAL' CONCRETE - VEHICULAR MEDIUM BROOM SEE CIVIL DWGS FOR NOTES & FINISH DETAILS FLAGSTONE PATH AND STEPS NATURAL STONE 4/1-2.00 STONE TBD PERMEABLE PAVERS - VEHICULAR SEE CIVIL DWGS FOR NOTES & DETAILS 10 STONE COBBLE 7/1-2.00 COLDSPRING'CHARCOAL' EXISTING VEGETATION RETAINED N O \ i � SYMBOL WALL TYPE FINISH/PATTERN DETAIL NOTES O FOUNTAIN -- 7/1-2.00 KESWICK ESTATE MONUMENT -- 1/L2.20 © NOT USED -- -- -- O CONCRETE STEPS MEDIUM BROOM 3/1-2.00 FINISH O RAILING POWDERCOATED 1/L2.10 STEEL LJ TIMBER LIGHT POST PAINTED 1 /L2.30 REFER TO LIGHTING PLANS Q TIMBER BOLLARD PAINTED 2/1-2.30 REFER TO LIGHTING PLANS NOTE: SEE STORMWATER MANAGEMENT SUBMITTAL BY CIVIL ENGINEER FOR PERVIOUS PAVING CALCULATIONS. EXISTING VEGETATION RETAINED ;/7- - 7-k `9 X4 O ASPHALT PAVEMENT TO BE REPAIRED TO MATCHEXISTING I� 14 C� ♦ ° \ D4111, O E \ O D ♦♦ � E O 0 EXISTIN \ ADA RAMP, SEE CIVIL \ BUILDING ♦ DRAWINGS ETAINED - °. _ G f �` / `\ X4\ \\ ---,_ _--- i L1.20 / 2 r ♦. a HATCH NDICATES \ \ \ OF FIRE IACC SS LANE / }� - - - - G \\ XTGY \\7 _T7 5 / XT \ \ \ \ - - - ,' / i V ' STEPS, SEE \ < \` \ - - - ARCH DWGSANN to � \ / 5 OI F L1.20 / ♦ \ EXISTING �\ \ - - - \ \ / / / - °, h ♦ VEGETATION / RETAINED \v� --v—^ IF/ IF RAMP, REFER TO ARCHITECT DRAWINGS \\) / / I v v— 1 v v c�° all\\ v v v v i' ✓ / 1 I AI III A 1 _ I 1 O 7 VV Aw All manowmam, EXISTING VEGETATION \I \ j LIMIT OF �� RETAINED ��/j% Aw ORk ♦ ♦ \ i \ PY 0 O Q \ 0 10' 20' 40' NELSON BYRDME WOLTZ L A N D S C A P E ARCHITECTS 310 East Market Street Charlottesville VA 22902 T 434.984.1358 F 434.984.4158 www.nbwla.com NO. Date Issues/Revisions 1 01.06.20 PERMIT 2 03.27.20 PERMIT 3 06.02.20 PERMIT 4 08.21.20 PROGRESS CD 5 10.02.20 PROG. CD 70% 6 10.23.20 PROG. CD STAMP PROJECT NAME KESWICK HALL LANDSCAPE ALBEMARLE COUNTY, V I R G I N I A KESWICK HALL SPA PROJECT NO.: KSH 1806 DRAWN BY: CP, BO, CN CHECKED BY: EG DRAWING TITLE MATERIALS PLAN DATE: OCTOBER 23, 2020 SCALE: 1 IF = 20'-0" DRAWING NUMBER Ll J 0 FA LEGEND 20'-0" o- N O O CV O N ri N N Q O U O T Li C N E N C- LU w C- CD co co J / 0 a 0 0 / a� V) 0 / 0 Q U / c 0 / a� C- J (D 0 o_ NI 0 O 00 Ln EXISTING TREE TO RESTABILIZATION MIX REMAIN WET SWALE MIX EXISTING LARGE OAK TO REMAIN ENTRY GARDEN MIX 00o LAWN PROPOSED TREE +E ANNUALS OPROPOSED SHRUB MUM SCREENING VEGETATION + ' i ' MULCH � �� i NOTE: 2M LANDWARD BUFFER PLANTING 1) SEE SHEET L3.10, L320, & L3.30 FOR TOTAL PLANTING AREAS AND PLANTING SCHEDULES 2) SEE SHEET L3.60 FOR PLANTING DETAILS 3) WPO#201800078 - MITIGATION PLAN PROJECT NUMBER * LANDWARD BUFFER PLANTING REQUIREMENTS: MITIGATION AREA IS EQUAL TO DOUBLE (2X) THE DISTURBED AREA PER 400 SF OR 20X20' AREA PLANT 1 CANOPY TREE, 2 UNDERSTORY TREES, AND 3 SMALL SHRUBS OR 1 CANOPY TREE, 1 UNDERSTORY TREE, 2 LARGE SHRUBS AND 3 SMALL SHRUBS LANDWARD BUFFER PLANTING CALCULATIONS: AREA OF DISTURBANCE = 385 SF AREA OF DISTURBANCE (385 SF) X 2 = 770 SF (MITIGATION REQUIRED) MITIGATION PROVIDED: 385 SF + 385 SF = 770 SF 770 SF/ 400 SF = 1.9 UNITS (1.9UNITS - 2 UNITS) 2 UNITS = 2 CANOPY TREES, 2 UNDERSTORY TREES, 4 LARGE SHRUBS AND 6 SMALL SHRUBS U MITIGATION PLANTING - - = ADJACENT TO LANDWARD \ BUFFER: 385 SF, SEE MITIGATION PLANTING - \ - SCHEDULE AND DETAIL 01 /L3.30 \ NATIVE, EXISTING VEGETATION TO- �� ' REMAIN, REMOVE ONLY INVASIVE _ \ c� PLANTS, RAKE EXSTING LEAF - ' - mJ LITTER & REDISTRIBUTE IN PLANTED AREA AFTER INSTALLATION _ — ��� *STREAM BUFFER AREA OF DISTURBANCE: 385 SF MITIGATION PLANTING INSIDE - - - LANDWARD BUFFER: 385 SF, SEE MITIGATION PLANTING- /\ - SCHEDULE AND DETAIL 01/1-3.30 \ , REMOVE ALL TREES, SHRUBS, - - VINES & UNDERBRUSH, REPLANT - - - W/ NATIVE SPECIES. RAKE EXSTING LEAF LITTER & - \ REDISTRIBUTE IN PLANTED BUFFER 1 AFTER INSTALLATION EXISTING VEGETATION RETAINED _ Mitigation Planting Schedule Area of Canopy Total Canopy Quantity Units Scientific Name Common Name Size Spacing in 10sf rs Y ( ) Coverage (sf) 2 pcs CANOPY TREE 2 Carya ovata Shagbark Hickory 11/2"-2" cal. B&B as shown 72 144 2 pcs UNDERSTORYTREE 2 Asimina triloba PawPaw 3/4" - 11/2" cal. B&B as shown 64 128 Proposed Tree Canopy Coverage 272 4 pcs LARGESHRUBS 2 Ilex verticilata Wi nterberry Holly 3'-4' Ht. as shown 41 82 2 Lindera benzoin Spicebush 3'-4' Ht. as shown 23 46 0 6 pcs SMALLSHRUBS 3 Kalmia latifolia Mountain Laurel 15"-18" Ht. as shown 28 84 3 Vaccinium acerifolium Mapleleaf Viburnum 15"-18" Ht. as shown 12 36 Proposed Shrub Canopy Coverage 248 Proposed Tree and Shrub Canopy Coverage 520 1 LANDWARD BUFFER PLANTING DIAGRAM L3.30 SCALE: 1 /4" = 1'-0" PLANT KEY A - LARGE CANOPY TREE B - UNDERSTORY TREE C - LARGE SHRUB D - SMALL SHRUB NOTE: 1) PLANT ONLY SMALL SHRUBS WITHIN 3' OF SANITARY LINE 2) RAKE EXSTING LEAF LITTER & REDISTRIBUTE IN PLANTED BUFFER AFTER INSTALLATION I0 10' 20' 40' ■0=� NELSON BYRDNo W O LTZ L A N D S C A P E ARCHITECTS 310 East Market Street Charlottesville VA 22902 T 434.984.1358 F 434.984.4158 www.nbwla.com NO. Date Issues/Revisions 1 01.06.20 PERMIT 2 03.27.20 PERMIT 3 06.02.20 PERMIT 4 08.21.20 PROGRESS CD 5 10.02.20 PROG. CD 70% 6 10.23.20 PROG. CD STAMP PROJECT NAME KESWICK HALL LANDSCAPE ALBEMARLE COUNTY, VIRGINIA KESWICK HALL SPA PROJECT NO.: KSH 1806 DRAWN BY: CP, BO, CN CHECKED BY: EG DRAWING TITLE MITIGATION PLANTING PLAN DATE: OCTOBER 23, 2020 SCALE: 1" = 20'-0" DRAWING NUMBER L3030 II